221750450

素因数分解:

$2^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{21019}}^1$

素因数の和:21242

約数の個数: 24

約数和(自身を含む): 414430320

約数和(自身を除く): 192679870

約数列:

[1, 2, 5, 10, 25, 50, 211, 422, 1055, 2110, 5275, 10550, 21019, 42038, 105095, 210190, 525475, 1050950, 4435009, 8870018, 22175045, 44350090, 110875225, 221750450]

約数ペア:

[(1, 221750450), (2, 110875225), (5, 44350090), (10, 22175045), (25, 8870018), (50, 4435009), (211, 1050950), (422, 525475), (1055, 210190), (2110, 105095), (5275, 42038), (10550, 21019)]