257042010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{120677}}^1$

素因数の和:120758

約数の個数: 32

約数和(自身を含む): 625594752

約数和(自身を除く): 368552742

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 120677, 241354, 362031, 603385, 724062, 1206770, 1810155, 3620310, 8568067, 17136134, 25704201, 42840335, 51408402, 85680670, 128521005, 257042010]

約数ペア:

[(1, 257042010), (2, 128521005), (3, 85680670), (5, 51408402), (6, 42840335), (10, 25704201), (15, 17136134), (30, 8568067), (71, 3620310), (142, 1810155), (213, 1206770), (355, 724062), (426, 603385), (710, 362031), (1065, 241354), (2130, 120677)]