221238680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:933

約数の個数: 128

約数和(自身を含む): 587865600

約数和(自身を除く): 366626920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 85, 104, 116, 130, 136, 145, 170, 221, 232, 260, 290, 340, 377, 442, 493, 520, 580, 680, 754, 863, 884, 986, 1105, 1160, 1508, 1726, 1768, 1885, 1972, 2210, 2465, 3016, 3452, 3770, 3944, 4315, 4420, 4930, 6409, 6904, 7540, 8630, 8840, 9860, 11219, 12818, 14671, 15080, 17260, 19720, 22438, 25027, 25636, 29342, 32045, 34520, 44876, 50054, 51272, 56095, 58684, 64090, 73355, 89752, 100108, 112190, 117368, 125135, 128180, 146710, 190723, 200216, 224380, 250270, 256360, 293420, 325351, 381446, 425459, 448760, 500540, 586840, 650702, 762892, 850918, 953615, 1001080, 1301404, 1525784, 1626755, 1701836, 1907230, 2127295, 2602808, 3253510, 3403672, 3814460, 4254590, 5530967, 6507020, 7628920, 8509180, 11061934, 13014040, 17018360, 22123868, 27654835, 44247736, 55309670, 110619340, 221238680]

約数ペア:

[(1, 221238680), (2, 110619340), (4, 55309670), (5, 44247736), (8, 27654835), (10, 22123868), (13, 17018360), (17, 13014040), (20, 11061934), (26, 8509180), (29, 7628920), (34, 6507020), (40, 5530967), (52, 4254590), (58, 3814460), (65, 3403672), (68, 3253510), (85, 2602808), (104, 2127295), (116, 1907230), (130, 1701836), (136, 1626755), (145, 1525784), (170, 1301404), (221, 1001080), (232, 953615), (260, 850918), (290, 762892), (340, 650702), (377, 586840), (442, 500540), (493, 448760), (520, 425459), (580, 381446), (680, 325351), (754, 293420), (863, 256360), (884, 250270), (986, 224380), (1105, 200216), (1160, 190723), (1508, 146710), (1726, 128180), (1768, 125135), (1885, 117368), (1972, 112190), (2210, 100108), (2465, 89752), (3016, 73355), (3452, 64090), (3770, 58684), (3944, 56095), (4315, 51272), (4420, 50054), (4930, 44876), (6409, 34520), (6904, 32045), (7540, 29342), (8630, 25636), (8840, 25027), (9860, 22438), (11219, 19720), (12818, 17260), (14671, 15080)]