246987700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 556839360

約数和(自身を除く): 309851660

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 71, 86, 100, 142, 172, 215, 284, 355, 430, 710, 809, 860, 1075, 1420, 1618, 1775, 2150, 3053, 3236, 3550, 4045, 4300, 6106, 7100, 8090, 12212, 15265, 16180, 20225, 30530, 34787, 40450, 57439, 61060, 69574, 76325, 80900, 114878, 139148, 152650, 173935, 229756, 287195, 305300, 347870, 574390, 695740, 869675, 1148780, 1435975, 1739350, 2469877, 2871950, 3478700, 4939754, 5743900, 9879508, 12349385, 24698770, 49397540, 61746925, 123493850, 246987700]

約数ペア:

[(1, 246987700), (2, 123493850), (4, 61746925), (5, 49397540), (10, 24698770), (20, 12349385), (25, 9879508), (43, 5743900), (50, 4939754), (71, 3478700), (86, 2871950), (100, 2469877), (142, 1739350), (172, 1435975), (215, 1148780), (284, 869675), (355, 695740), (430, 574390), (710, 347870), (809, 305300), (860, 287195), (1075, 229756), (1420, 173935), (1618, 152650), (1775, 139148), (2150, 114878), (3053, 80900), (3236, 76325), (3550, 69574), (4045, 61060), (4300, 57439), (6106, 40450), (7100, 34787), (8090, 30530), (12212, 20225), (15265, 16180)]