254366840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 192

約数和(自身を含む): 732564000

約数和(自身を除く): 478197160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 67, 70, 91, 98, 104, 130, 134, 140, 149, 182, 196, 245, 260, 268, 280, 298, 335, 364, 392, 455, 469, 490, 520, 536, 596, 637, 670, 728, 745, 871, 910, 938, 980, 1043, 1192, 1274, 1340, 1490, 1742, 1820, 1876, 1937, 1960, 2086, 2345, 2548, 2680, 2980, 3185, 3283, 3484, 3640, 3752, 3874, 4172, 4355, 4690, 5096, 5215, 5960, 6097, 6370, 6566, 6968, 7301, 7748, 8344, 8710, 9380, 9685, 9983, 10430, 12194, 12740, 13132, 13559, 14602, 15496, 16415, 17420, 18760, 19370, 19966, 20860, 24388, 25480, 26264, 27118, 29204, 30485, 32830, 34840, 36505, 38740, 39932, 41720, 42679, 48776, 49915, 54236, 58408, 60970, 65660, 67795, 69881, 73010, 77480, 79864, 85358, 94913, 99830, 108472, 121940, 129779, 131320, 135590, 139762, 146020, 170716, 189826, 199660, 213395, 243880, 259558, 271180, 279524, 292040, 341432, 349405, 379652, 399320, 426790, 474565, 489167, 519116, 542360, 559048, 648895, 698810, 759304, 853580, 908453, 949130, 978334, 1038232, 1297790, 1397620, 1707160, 1816906, 1898260, 1956668, 2445835, 2595580, 2795240, 3633812, 3796520, 3913336, 4542265, 4891670, 5191160, 6359171, 7267624, 9084530, 9783340, 12718342, 18169060, 19566680, 25436684, 31795855, 36338120, 50873368, 63591710, 127183420, 254366840]

約数ペア:

[(1, 254366840), (2, 127183420), (4, 63591710), (5, 50873368), (7, 36338120), (8, 31795855), (10, 25436684), (13, 19566680), (14, 18169060), (20, 12718342), (26, 9783340), (28, 9084530), (35, 7267624), (40, 6359171), (49, 5191160), (52, 4891670), (56, 4542265), (65, 3913336), (67, 3796520), (70, 3633812), (91, 2795240), (98, 2595580), (104, 2445835), (130, 1956668), (134, 1898260), (140, 1816906), (149, 1707160), (182, 1397620), (196, 1297790), (245, 1038232), (260, 978334), (268, 949130), (280, 908453), (298, 853580), (335, 759304), (364, 698810), (392, 648895), (455, 559048), (469, 542360), (490, 519116), (520, 489167), (536, 474565), (596, 426790), (637, 399320), (670, 379652), (728, 349405), (745, 341432), (871, 292040), (910, 279524), (938, 271180), (980, 259558), (1043, 243880), (1192, 213395), (1274, 199660), (1340, 189826), (1490, 170716), (1742, 146020), (1820, 139762), (1876, 135590), (1937, 131320), (1960, 129779), (2086, 121940), (2345, 108472), (2548, 99830), (2680, 94913), (2980, 85358), (3185, 79864), (3283, 77480), (3484, 73010), (3640, 69881), (3752, 67795), (3874, 65660), (4172, 60970), (4355, 58408), (4690, 54236), (5096, 49915), (5215, 48776), (5960, 42679), (6097, 41720), (6370, 39932), (6566, 38740), (6968, 36505), (7301, 34840), (7748, 32830), (8344, 30485), (8710, 29204), (9380, 27118), (9685, 26264), (9983, 25480), (10430, 24388), (12194, 20860), (12740, 19966), (13132, 19370), (13559, 18760), (14602, 17420), (15496, 16415)]