188885240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{569}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 437896800

約数和(自身を除く): 249011560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 344, 386, 430, 569, 772, 860, 965, 1138, 1544, 1720, 1930, 2276, 2845, 3860, 4552, 5690, 7720, 8299, 11380, 16598, 22760, 24467, 33196, 41495, 48934, 66392, 82990, 97868, 109817, 122335, 165980, 195736, 219634, 244670, 331960, 439268, 489340, 549085, 878536, 978680, 1098170, 2196340, 4392680, 4722131, 9444262, 18888524, 23610655, 37777048, 47221310, 94442620, 188885240]

約数ペア:

[(1, 188885240), (2, 94442620), (4, 47221310), (5, 37777048), (8, 23610655), (10, 18888524), (20, 9444262), (40, 4722131), (43, 4392680), (86, 2196340), (172, 1098170), (193, 978680), (215, 878536), (344, 549085), (386, 489340), (430, 439268), (569, 331960), (772, 244670), (860, 219634), (965, 195736), (1138, 165980), (1544, 122335), (1720, 109817), (1930, 97868), (2276, 82990), (2845, 66392), (3860, 48934), (4552, 41495), (5690, 33196), (7720, 24467), (8299, 22760), (11380, 16598)]