397207720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 256

約数和(自身を含む): 1197504000

約数和(自身を除く): 800296280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 85, 91, 98, 104, 119, 130, 131, 136, 140, 170, 182, 196, 221, 238, 245, 260, 262, 280, 340, 343, 364, 392, 442, 455, 476, 490, 520, 524, 595, 637, 655, 680, 686, 728, 833, 884, 910, 917, 952, 980, 1048, 1105, 1190, 1274, 1310, 1372, 1547, 1666, 1703, 1715, 1768, 1820, 1834, 1960, 2210, 2227, 2380, 2548, 2620, 2744, 3094, 3185, 3332, 3406, 3430, 3640, 3668, 4165, 4420, 4454, 4459, 4585, 4760, 5096, 5240, 5831, 6188, 6370, 6419, 6664, 6812, 6860, 7336, 7735, 8330, 8515, 8840, 8908, 8918, 9170, 10829, 11135, 11662, 11921, 12376, 12740, 12838, 13624, 13720, 15470, 15589, 16660, 17030, 17816, 17836, 18340, 21658, 22270, 22295, 23324, 23842, 25480, 25676, 28951, 29155, 30940, 31178, 32095, 33320, 34060, 35672, 36680, 43316, 44540, 44590, 44933, 46648, 47684, 51352, 54145, 57902, 58310, 59605, 61880, 62356, 64190, 68120, 75803, 77945, 83447, 86632, 89080, 89180, 89866, 95368, 108290, 109123, 115804, 116620, 119210, 124712, 128380, 144755, 151606, 155890, 166894, 178360, 179732, 202657, 216580, 218246, 224665, 231608, 233240, 238420, 256760, 289510, 303212, 311780, 333788, 359464, 379015, 405314, 417235, 433160, 436492, 449330, 476840, 545615, 579020, 584129, 606424, 623560, 667576, 758030, 763861, 810628, 834470, 872984, 898660, 1013285, 1091230, 1158040, 1168258, 1418599, 1516060, 1527722, 1621256, 1668940, 1797320, 2026570, 2182460, 2336516, 2837198, 2920645, 3032120, 3055444, 3337880, 3819305, 4053140, 4364920, 4673032, 5674396, 5841290, 6110888, 7092995, 7638610, 8106280, 9930193, 11348792, 11682580, 14185990, 15277220, 19860386, 23365160, 28371980, 30554440, 39720772, 49650965, 56743960, 79441544, 99301930, 198603860, 397207720]

約数ペア:

[(1, 397207720), (2, 198603860), (4, 99301930), (5, 79441544), (7, 56743960), (8, 49650965), (10, 39720772), (13, 30554440), (14, 28371980), (17, 23365160), (20, 19860386), (26, 15277220), (28, 14185990), (34, 11682580), (35, 11348792), (40, 9930193), (49, 8106280), (52, 7638610), (56, 7092995), (65, 6110888), (68, 5841290), (70, 5674396), (85, 4673032), (91, 4364920), (98, 4053140), (104, 3819305), (119, 3337880), (130, 3055444), (131, 3032120), (136, 2920645), (140, 2837198), (170, 2336516), (182, 2182460), (196, 2026570), (221, 1797320), (238, 1668940), (245, 1621256), (260, 1527722), (262, 1516060), (280, 1418599), (340, 1168258), (343, 1158040), (364, 1091230), (392, 1013285), (442, 898660), (455, 872984), (476, 834470), (490, 810628), (520, 763861), (524, 758030), (595, 667576), (637, 623560), (655, 606424), (680, 584129), (686, 579020), (728, 545615), (833, 476840), (884, 449330), (910, 436492), (917, 433160), (952, 417235), (980, 405314), (1048, 379015), (1105, 359464), (1190, 333788), (1274, 311780), (1310, 303212), (1372, 289510), (1547, 256760), (1666, 238420), (1703, 233240), (1715, 231608), (1768, 224665), (1820, 218246), (1834, 216580), (1960, 202657), (2210, 179732), (2227, 178360), (2380, 166894), (2548, 155890), (2620, 151606), (2744, 144755), (3094, 128380), (3185, 124712), (3332, 119210), (3406, 116620), (3430, 115804), (3640, 109123), (3668, 108290), (4165, 95368), (4420, 89866), (4454, 89180), (4459, 89080), (4585, 86632), (4760, 83447), (5096, 77945), (5240, 75803), (5831, 68120), (6188, 64190), (6370, 62356), (6419, 61880), (6664, 59605), (6812, 58310), (6860, 57902), (7336, 54145), (7735, 51352), (8330, 47684), (8515, 46648), (8840, 44933), (8908, 44590), (8918, 44540), (9170, 43316), (10829, 36680), (11135, 35672), (11662, 34060), (11921, 33320), (12376, 32095), (12740, 31178), (12838, 30940), (13624, 29155), (13720, 28951), (15470, 25676), (15589, 25480), (16660, 23842), (17030, 23324), (17816, 22295), (17836, 22270), (18340, 21658)]