187850980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 410800320

約数和(自身を除く): 222949340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 163, 290, 326, 580, 652, 815, 1630, 1987, 3260, 3974, 4727, 7948, 9454, 9935, 18908, 19870, 23635, 39740, 47270, 57623, 94540, 115246, 230492, 288115, 323881, 576230, 647762, 1152460, 1295524, 1619405, 3238810, 6477620, 9392549, 18785098, 37570196, 46962745, 93925490, 187850980]

約数ペア:

[(1, 187850980), (2, 93925490), (4, 46962745), (5, 37570196), (10, 18785098), (20, 9392549), (29, 6477620), (58, 3238810), (116, 1619405), (145, 1295524), (163, 1152460), (290, 647762), (326, 576230), (580, 323881), (652, 288115), (815, 230492), (1630, 115246), (1987, 94540), (3260, 57623), (3974, 47270), (4727, 39740), (7948, 23635), (9454, 19870), (9935, 18908)]