387148360

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 884520000

約数和(自身を除く): 497371640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 179, 278, 358, 389, 556, 695, 716, 778, 895, 1112, 1390, 1432, 1556, 1790, 1945, 2780, 3112, 3580, 3890, 5560, 7160, 7780, 15560, 24881, 49762, 54071, 69631, 99524, 108142, 124405, 139262, 199048, 216284, 248810, 270355, 278524, 348155, 432568, 497620, 540710, 557048, 696310, 995240, 1081420, 1392620, 2162840, 2785240, 9678709, 19357418, 38714836, 48393545, 77429672, 96787090, 193574180, 387148360]

約数ペア:

[(1, 387148360), (2, 193574180), (4, 96787090), (5, 77429672), (8, 48393545), (10, 38714836), (20, 19357418), (40, 9678709), (139, 2785240), (179, 2162840), (278, 1392620), (358, 1081420), (389, 995240), (556, 696310), (695, 557048), (716, 540710), (778, 497620), (895, 432568), (1112, 348155), (1390, 278524), (1432, 270355), (1556, 248810), (1790, 216284), (1945, 199048), (2780, 139262), (3112, 124405), (3580, 108142), (3890, 99524), (5560, 69631), (7160, 54071), (7780, 49762), (15560, 24881)]