231857780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13687}}^1$

素因数の和:13725

約数の個数: 72

約数和(自身を含む): 611689344

約数和(自身を除く): 379831564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 13687, 16940, 27374, 54748, 68435, 95809, 136870, 150557, 191618, 273740, 301114, 383236, 479045, 602228, 752785, 958090, 1053899, 1505570, 1656127, 1916180, 2107798, 3011140, 3312254, 4215596, 5269495, 6624508, 8280635, 10538990, 11592889, 16561270, 21077980, 23185778, 33122540, 46371556, 57964445, 115928890, 231857780]

約数ペア:

[(1, 231857780), (2, 115928890), (4, 57964445), (5, 46371556), (7, 33122540), (10, 23185778), (11, 21077980), (14, 16561270), (20, 11592889), (22, 10538990), (28, 8280635), (35, 6624508), (44, 5269495), (55, 4215596), (70, 3312254), (77, 3011140), (110, 2107798), (121, 1916180), (140, 1656127), (154, 1505570), (220, 1053899), (242, 958090), (308, 752785), (385, 602228), (484, 479045), (605, 383236), (770, 301114), (847, 273740), (1210, 191618), (1540, 150557), (1694, 136870), (2420, 95809), (3388, 68435), (4235, 54748), (8470, 27374), (13687, 16940)]