259877810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 514812672

約数和(自身を除く): 254934862

約数列:

[1, 2, 5, 10, 17, 34, 43, 73, 85, 86, 146, 170, 215, 365, 430, 487, 730, 731, 974, 1241, 1462, 2435, 2482, 3139, 3655, 4870, 6205, 6278, 7310, 8279, 12410, 15695, 16558, 20941, 31390, 35551, 41395, 41882, 53363, 71102, 82790, 104705, 106726, 177755, 209410, 266815, 355510, 355997, 533630, 604367, 711994, 1208734, 1528693, 1779985, 3021835, 3057386, 3559970, 6043670, 7643465, 15286930, 25987781, 51975562, 129938905, 259877810]

約数ペア:

[(1, 259877810), (2, 129938905), (5, 51975562), (10, 25987781), (17, 15286930), (34, 7643465), (43, 6043670), (73, 3559970), (85, 3057386), (86, 3021835), (146, 1779985), (170, 1528693), (215, 1208734), (365, 711994), (430, 604367), (487, 533630), (730, 355997), (731, 355510), (974, 266815), (1241, 209410), (1462, 177755), (2435, 106726), (2482, 104705), (3139, 82790), (3655, 71102), (4870, 53363), (6205, 41882), (6278, 41395), (7310, 35551), (8279, 31390), (12410, 20941), (15695, 16558)]