210317840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{773}}^1$

素因数の和:984

約数の個数: 80

約数和(自身を含む): 518270400

約数和(自身を除く): 307952560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 179, 190, 304, 358, 380, 716, 760, 773, 895, 1432, 1520, 1546, 1790, 2864, 3092, 3401, 3580, 3865, 6184, 6802, 7160, 7730, 12368, 13604, 14320, 14687, 15460, 17005, 27208, 29374, 30920, 34010, 54416, 58748, 61840, 68020, 73435, 117496, 136040, 138367, 146870, 234992, 272080, 276734, 293740, 553468, 587480, 691835, 1106936, 1174960, 1383670, 2213872, 2628973, 2767340, 5257946, 5534680, 10515892, 11069360, 13144865, 21031784, 26289730, 42063568, 52579460, 105158920, 210317840]

約数ペア:

[(1, 210317840), (2, 105158920), (4, 52579460), (5, 42063568), (8, 26289730), (10, 21031784), (16, 13144865), (19, 11069360), (20, 10515892), (38, 5534680), (40, 5257946), (76, 2767340), (80, 2628973), (95, 2213872), (152, 1383670), (179, 1174960), (190, 1106936), (304, 691835), (358, 587480), (380, 553468), (716, 293740), (760, 276734), (773, 272080), (895, 234992), (1432, 146870), (1520, 138367), (1546, 136040), (1790, 117496), (2864, 73435), (3092, 68020), (3401, 61840), (3580, 58748), (3865, 54416), (6184, 34010), (6802, 30920), (7160, 29374), (7730, 27208), (12368, 17005), (13604, 15460), (14320, 14687)]