215874890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 96

約数和(自身を含む): 498685248

約数和(自身を除く): 282810358

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 121, 154, 242, 245, 331, 385, 490, 539, 605, 662, 770, 847, 1078, 1210, 1331, 1655, 1694, 2317, 2662, 2695, 3310, 3641, 4235, 4634, 5390, 5929, 6655, 7282, 8470, 9317, 11585, 11858, 13310, 16219, 18205, 18634, 23170, 25487, 29645, 32438, 36410, 40051, 46585, 50974, 59290, 65219, 80102, 81095, 93170, 127435, 130438, 162190, 178409, 200255, 254870, 280357, 326095, 356818, 400510, 440561, 560714, 652190, 881122, 892045, 1401785, 1784090, 1962499, 2202805, 2803570, 3083927, 3924998, 4405610, 6167854, 9812495, 15419635, 19624990, 21587489, 30839270, 43174978, 107937445, 215874890]

約数ペア:

[(1, 215874890), (2, 107937445), (5, 43174978), (7, 30839270), (10, 21587489), (11, 19624990), (14, 15419635), (22, 9812495), (35, 6167854), (49, 4405610), (55, 3924998), (70, 3083927), (77, 2803570), (98, 2202805), (110, 1962499), (121, 1784090), (154, 1401785), (242, 892045), (245, 881122), (331, 652190), (385, 560714), (490, 440561), (539, 400510), (605, 356818), (662, 326095), (770, 280357), (847, 254870), (1078, 200255), (1210, 178409), (1331, 162190), (1655, 130438), (1694, 127435), (2317, 93170), (2662, 81095), (2695, 80102), (3310, 65219), (3641, 59290), (4235, 50974), (4634, 46585), (5390, 40051), (5929, 36410), (6655, 32438), (7282, 29645), (8470, 25487), (9317, 23170), (11585, 18634), (11858, 18205), (13310, 16219)]