72045730

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 132018480

約数和(自身を除く): 59972750

約数列:

[1, 2, 5, 10, 109, 157, 218, 314, 421, 545, 785, 842, 1090, 1570, 2105, 4210, 17113, 34226, 45889, 66097, 85565, 91778, 132194, 171130, 229445, 330485, 458890, 660970, 7204573, 14409146, 36022865, 72045730]

約数ペア:

[(1, 72045730), (2, 36022865), (5, 14409146), (10, 7204573), (109, 660970), (157, 458890), (218, 330485), (314, 229445), (421, 171130), (545, 132194), (785, 91778), (842, 85565), (1090, 66097), (1570, 45889), (2105, 34226), (4210, 17113)]