231498680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:493

約数の個数: 128

約数和(自身を含む): 628992000

約数和(自身を除く): 397493320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 103, 115, 140, 161, 184, 206, 230, 280, 322, 349, 412, 460, 515, 644, 698, 721, 805, 824, 920, 1030, 1288, 1396, 1442, 1610, 1745, 2060, 2369, 2443, 2792, 2884, 3220, 3490, 3605, 4120, 4738, 4886, 5768, 6440, 6980, 7210, 8027, 9476, 9772, 11845, 12215, 13960, 14420, 16054, 16583, 18952, 19544, 23690, 24430, 28840, 32108, 33166, 35947, 40135, 47380, 48860, 56189, 64216, 66332, 71894, 80270, 82915, 94760, 97720, 112378, 132664, 143788, 160540, 165830, 179735, 224756, 251629, 280945, 287576, 321080, 331660, 359470, 449512, 503258, 561890, 663320, 718940, 826781, 1006516, 1123780, 1258145, 1437880, 1653562, 2013032, 2247560, 2516290, 3307124, 4133905, 5032580, 5787467, 6614248, 8267810, 10065160, 11574934, 16535620, 23149868, 28937335, 33071240, 46299736, 57874670, 115749340, 231498680]

約数ペア:

[(1, 231498680), (2, 115749340), (4, 57874670), (5, 46299736), (7, 33071240), (8, 28937335), (10, 23149868), (14, 16535620), (20, 11574934), (23, 10065160), (28, 8267810), (35, 6614248), (40, 5787467), (46, 5032580), (56, 4133905), (70, 3307124), (92, 2516290), (103, 2247560), (115, 2013032), (140, 1653562), (161, 1437880), (184, 1258145), (206, 1123780), (230, 1006516), (280, 826781), (322, 718940), (349, 663320), (412, 561890), (460, 503258), (515, 449512), (644, 359470), (698, 331660), (721, 321080), (805, 287576), (824, 280945), (920, 251629), (1030, 224756), (1288, 179735), (1396, 165830), (1442, 160540), (1610, 143788), (1745, 132664), (2060, 112378), (2369, 97720), (2443, 94760), (2792, 82915), (2884, 80270), (3220, 71894), (3490, 66332), (3605, 64216), (4120, 56189), (4738, 48860), (4886, 47380), (5768, 40135), (6440, 35947), (6980, 33166), (7210, 32108), (8027, 28840), (9476, 24430), (9772, 23690), (11845, 19544), (12215, 18952), (13960, 16583), (14420, 16054)]