87969140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{599}}^1\times {\mathrm{1049}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 211680000

約数和(自身を除く): 123710860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 599, 1049, 1198, 2098, 2396, 2995, 4193, 4196, 5245, 5990, 7343, 8386, 10490, 11980, 14686, 16772, 20965, 20980, 29372, 36715, 41930, 73430, 83860, 146860, 628351, 1256702, 2513404, 3141755, 4398457, 6283510, 8796914, 12567020, 17593828, 21992285, 43984570, 87969140]

約数ペア:

[(1, 87969140), (2, 43984570), (4, 21992285), (5, 17593828), (7, 12567020), (10, 8796914), (14, 6283510), (20, 4398457), (28, 3141755), (35, 2513404), (70, 1256702), (140, 628351), (599, 146860), (1049, 83860), (1198, 73430), (2098, 41930), (2396, 36715), (2995, 29372), (4193, 20980), (4196, 20965), (5245, 16772), (5990, 14686), (7343, 11980), (8386, 10490)]