907839940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 2219503104

約数和(自身を除く): 1311663164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 157, 206, 314, 401, 412, 515, 628, 721, 785, 802, 1030, 1099, 1442, 1570, 1604, 2005, 2060, 2198, 2807, 2884, 3140, 3605, 4010, 4396, 5495, 5614, 7210, 8020, 10990, 11228, 14035, 14420, 16171, 21980, 28070, 32342, 41303, 56140, 62957, 64684, 80855, 82606, 113197, 125914, 161710, 165212, 206515, 226394, 251828, 289121, 314785, 323420, 413030, 440699, 452788, 565985, 578242, 629570, 826060, 881398, 1131970, 1156484, 1259140, 1445605, 1762796, 2203495, 2263940, 2891210, 4406990, 5782420, 6484571, 8813980, 12969142, 25938284, 32422855, 45391997, 64845710, 90783994, 129691420, 181567988, 226959985, 453919970, 907839940]

約数ペア:

[(1, 907839940), (2, 453919970), (4, 226959985), (5, 181567988), (7, 129691420), (10, 90783994), (14, 64845710), (20, 45391997), (28, 32422855), (35, 25938284), (70, 12969142), (103, 8813980), (140, 6484571), (157, 5782420), (206, 4406990), (314, 2891210), (401, 2263940), (412, 2203495), (515, 1762796), (628, 1445605), (721, 1259140), (785, 1156484), (802, 1131970), (1030, 881398), (1099, 826060), (1442, 629570), (1570, 578242), (1604, 565985), (2005, 452788), (2060, 440699), (2198, 413030), (2807, 323420), (2884, 314785), (3140, 289121), (3605, 251828), (4010, 226394), (4396, 206515), (5495, 165212), (5614, 161710), (7210, 125914), (8020, 113197), (10990, 82606), (11228, 80855), (14035, 64684), (14420, 62957), (16171, 56140), (21980, 41303), (28070, 32342)]