256845830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{2591}}^1$

素因数の和:3052

約数の個数: 32

約数和(自身を含む): 483729408

約数和(自身を除く): 226883578

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 431, 862, 2155, 2591, 4310, 5182, 9913, 12955, 19826, 25910, 49565, 59593, 99130, 119186, 297965, 595930, 1116721, 2233442, 5583605, 11167210, 25684583, 51369166, 128422915, 256845830]

約数ペア:

[(1, 256845830), (2, 128422915), (5, 51369166), (10, 25684583), (23, 11167210), (46, 5583605), (115, 2233442), (230, 1116721), (431, 595930), (862, 297965), (2155, 119186), (2591, 99130), (4310, 59593), (5182, 49565), (9913, 25910), (12955, 19826)]