87273340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56671}}^1$

素因数の和:56698

約数の個数: 48

約数和(自身を含む): 228501504

約数和(自身を除く): 141228164

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56671, 113342, 226684, 283355, 396697, 566710, 623381, 793394, 1133420, 1246762, 1586788, 1983485, 2493524, 3116905, 3966970, 4363667, 6233810, 7933940, 8727334, 12467620, 17454668, 21818335, 43636670, 87273340]

約数ペア:

[(1, 87273340), (2, 43636670), (4, 21818335), (5, 17454668), (7, 12467620), (10, 8727334), (11, 7933940), (14, 6233810), (20, 4363667), (22, 3966970), (28, 3116905), (35, 2493524), (44, 1983485), (55, 1586788), (70, 1246762), (77, 1133420), (110, 793394), (140, 623381), (154, 566710), (220, 396697), (308, 283355), (385, 226684), (770, 113342), (1540, 56671)]