998026120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 288

約数和(自身を含む): 2974086720

約数和(自身を除く): 1976060600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 49, 52, 56, 65, 70, 91, 92, 98, 104, 115, 130, 131, 140, 161, 169, 182, 184, 196, 230, 245, 260, 262, 280, 299, 322, 338, 364, 392, 455, 460, 490, 520, 524, 598, 637, 644, 655, 676, 728, 805, 845, 910, 917, 920, 980, 1048, 1127, 1183, 1196, 1274, 1288, 1310, 1352, 1495, 1610, 1690, 1703, 1820, 1834, 1960, 2093, 2254, 2366, 2392, 2548, 2620, 2990, 3013, 3185, 3220, 3380, 3406, 3640, 3668, 3887, 4186, 4508, 4585, 4732, 5096, 5240, 5635, 5915, 5980, 6026, 6370, 6419, 6440, 6760, 6812, 7336, 7774, 8281, 8372, 8515, 9016, 9170, 9464, 10465, 11270, 11830, 11921, 11960, 12052, 12740, 12838, 13624, 14651, 15065, 15548, 16562, 16744, 17030, 18340, 19435, 20930, 21091, 22139, 22540, 23660, 23842, 24104, 25480, 25676, 27209, 29302, 30130, 31096, 32095, 33124, 34060, 36680, 38870, 39169, 41405, 41860, 42182, 44278, 45080, 47320, 47684, 51352, 54418, 58604, 59605, 60260, 64190, 66248, 68120, 73255, 77740, 78338, 82810, 83447, 83720, 84364, 88556, 95368, 105455, 108836, 110695, 117208, 119210, 120520, 128380, 136045, 146510, 147637, 154973, 155480, 156676, 165620, 166894, 168728, 177112, 190463, 195845, 210910, 217672, 221390, 238420, 256760, 272090, 274183, 293020, 295274, 309946, 313352, 331240, 333788, 380926, 391690, 417235, 421820, 442780, 476840, 509197, 544180, 548366, 586040, 590548, 619892, 667576, 738185, 761852, 774865, 783380, 834470, 843640, 885560, 952315, 1018394, 1084811, 1088360, 1096732, 1181096, 1239784, 1370915, 1476370, 1523704, 1549730, 1566760, 1668940, 1904630, 1919281, 2036788, 2169622, 2193464, 2545985, 2741830, 2952740, 3099460, 3337880, 3564379, 3809260, 3838562, 4073576, 4339244, 5091970, 5424055, 5483660, 5905480, 6198920, 7128758, 7618520, 7677124, 8678488, 9596405, 10183940, 10848110, 10967320, 14257516, 15354248, 17821895, 19192810, 20367880, 21696220, 24950653, 28515032, 35643790, 38385620, 43392440, 49901306, 71287580, 76771240, 99802612, 124753265, 142575160, 199605224, 249506530, 499013060, 998026120]

約数ペア:

[(1, 998026120), (2, 499013060), (4, 249506530), (5, 199605224), (7, 142575160), (8, 124753265), (10, 99802612), (13, 76771240), (14, 71287580), (20, 49901306), (23, 43392440), (26, 38385620), (28, 35643790), (35, 28515032), (40, 24950653), (46, 21696220), (49, 20367880), (52, 19192810), (56, 17821895), (65, 15354248), (70, 14257516), (91, 10967320), (92, 10848110), (98, 10183940), (104, 9596405), (115, 8678488), (130, 7677124), (131, 7618520), (140, 7128758), (161, 6198920), (169, 5905480), (182, 5483660), (184, 5424055), (196, 5091970), (230, 4339244), (245, 4073576), (260, 3838562), (262, 3809260), (280, 3564379), (299, 3337880), (322, 3099460), (338, 2952740), (364, 2741830), (392, 2545985), (455, 2193464), (460, 2169622), (490, 2036788), (520, 1919281), (524, 1904630), (598, 1668940), (637, 1566760), (644, 1549730), (655, 1523704), (676, 1476370), (728, 1370915), (805, 1239784), (845, 1181096), (910, 1096732), (917, 1088360), (920, 1084811), (980, 1018394), (1048, 952315), (1127, 885560), (1183, 843640), (1196, 834470), (1274, 783380), (1288, 774865), (1310, 761852), (1352, 738185), (1495, 667576), (1610, 619892), (1690, 590548), (1703, 586040), (1820, 548366), (1834, 544180), (1960, 509197), (2093, 476840), (2254, 442780), (2366, 421820), (2392, 417235), (2548, 391690), (2620, 380926), (2990, 333788), (3013, 331240), (3185, 313352), (3220, 309946), (3380, 295274), (3406, 293020), (3640, 274183), (3668, 272090), (3887, 256760), (4186, 238420), (4508, 221390), (4585, 217672), (4732, 210910), (5096, 195845), (5240, 190463), (5635, 177112), (5915, 168728), (5980, 166894), (6026, 165620), (6370, 156676), (6419, 155480), (6440, 154973), (6760, 147637), (6812, 146510), (7336, 136045), (7774, 128380), (8281, 120520), (8372, 119210), (8515, 117208), (9016, 110695), (9170, 108836), (9464, 105455), (10465, 95368), (11270, 88556), (11830, 84364), (11921, 83720), (11960, 83447), (12052, 82810), (12740, 78338), (12838, 77740), (13624, 73255), (14651, 68120), (15065, 66248), (15548, 64190), (16562, 60260), (16744, 59605), (17030, 58604), (18340, 54418), (19435, 51352), (20930, 47684), (21091, 47320), (22139, 45080), (22540, 44278), (23660, 42182), (23842, 41860), (24104, 41405), (25480, 39169), (25676, 38870), (27209, 36680), (29302, 34060), (30130, 33124), (31096, 32095)]