257524130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{2999}}^1$

素因数の和:3314

約数の個数: 32

約数和(自身を含む): 480384000

約数和(自身を除く): 222859870

約数列:

[1, 2, 5, 10, 31, 62, 155, 277, 310, 554, 1385, 2770, 2999, 5998, 8587, 14995, 17174, 29990, 42935, 85870, 92969, 185938, 464845, 830723, 929690, 1661446, 4153615, 8307230, 25752413, 51504826, 128762065, 257524130]

約数ペア:

[(1, 257524130), (2, 128762065), (5, 51504826), (10, 25752413), (31, 8307230), (62, 4153615), (155, 1661446), (277, 929690), (310, 830723), (554, 464845), (1385, 185938), (2770, 92969), (2999, 85870), (5998, 42935), (8587, 29990), (14995, 17174)]