227242520

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{21601}}^1$

素因数の和:21875

約数の個数: 32

約数和(自身を含む): 513263520

約数和(自身を除く): 286021000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 21601, 43202, 86404, 108005, 172808, 216010, 432020, 864040, 5681063, 11362126, 22724252, 28405315, 45448504, 56810630, 113621260, 227242520]

約数ペア:

[(1, 227242520), (2, 113621260), (4, 56810630), (5, 45448504), (8, 28405315), (10, 22724252), (20, 11362126), (40, 5681063), (263, 864040), (526, 432020), (1052, 216010), (1315, 172808), (2104, 108005), (2630, 86404), (5260, 43202), (10520, 21601)]