87417100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 201723200

約数和(自身を除く): 114306100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 278, 331, 380, 475, 556, 662, 695, 950, 1324, 1390, 1655, 1900, 2641, 2780, 3310, 3475, 5282, 6289, 6620, 6950, 8275, 10564, 12578, 13205, 13900, 16550, 25156, 26410, 31445, 33100, 46009, 52820, 62890, 66025, 92018, 125780, 132050, 157225, 184036, 230045, 264100, 314450, 460090, 628900, 874171, 920180, 1150225, 1748342, 2300450, 3496684, 4370855, 4600900, 8741710, 17483420, 21854275, 43708550, 87417100]

約数ペア:

[(1, 87417100), (2, 43708550), (4, 21854275), (5, 17483420), (10, 8741710), (19, 4600900), (20, 4370855), (25, 3496684), (38, 2300450), (50, 1748342), (76, 1150225), (95, 920180), (100, 874171), (139, 628900), (190, 460090), (278, 314450), (331, 264100), (380, 230045), (475, 184036), (556, 157225), (662, 132050), (695, 125780), (950, 92018), (1324, 66025), (1390, 62890), (1655, 52820), (1900, 46009), (2641, 33100), (2780, 31445), (3310, 26410), (3475, 25156), (5282, 16550), (6289, 13900), (6620, 13205), (6950, 12578), (8275, 10564)]