84720500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 198132480

約数和(自身を除く): 113411980

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 53, 92, 100, 106, 115, 125, 139, 212, 230, 250, 265, 278, 460, 500, 530, 556, 575, 695, 1060, 1150, 1219, 1325, 1390, 2300, 2438, 2650, 2780, 2875, 3197, 3475, 4876, 5300, 5750, 6095, 6394, 6625, 6950, 7367, 11500, 12190, 12788, 13250, 13900, 14734, 15985, 17375, 24380, 26500, 29468, 30475, 31970, 34750, 36835, 60950, 63940, 69500, 73670, 79925, 121900, 147340, 152375, 159850, 169441, 184175, 304750, 319700, 338882, 368350, 399625, 609500, 677764, 736700, 799250, 847205, 920875, 1598500, 1694410, 1841750, 3388820, 3683500, 4236025, 8472050, 16944100, 21180125, 42360250, 84720500]

約数ペア:

[(1, 84720500), (2, 42360250), (4, 21180125), (5, 16944100), (10, 8472050), (20, 4236025), (23, 3683500), (25, 3388820), (46, 1841750), (50, 1694410), (53, 1598500), (92, 920875), (100, 847205), (106, 799250), (115, 736700), (125, 677764), (139, 609500), (212, 399625), (230, 368350), (250, 338882), (265, 319700), (278, 304750), (460, 184175), (500, 169441), (530, 159850), (556, 152375), (575, 147340), (695, 121900), (1060, 79925), (1150, 73670), (1219, 69500), (1325, 63940), (1390, 60950), (2300, 36835), (2438, 34750), (2650, 31970), (2780, 30475), (2875, 29468), (3197, 26500), (3475, 24380), (4876, 17375), (5300, 15985), (5750, 14734), (6095, 13900), (6394, 13250), (6625, 12788), (6950, 12190), (7367, 11500)]