145585780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{34499}}^1$

素因数の和:34719

約数の個数: 24

約数和(自身を含む): 307188000

約数和(自身を除く): 161602220

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 34499, 68998, 137996, 172495, 344990, 689980, 7279289, 14558578, 29117156, 36396445, 72792890, 145585780]

約数ペア:

[(1, 145585780), (2, 72792890), (4, 36396445), (5, 29117156), (10, 14558578), (20, 7279289), (211, 689980), (422, 344990), (844, 172495), (1055, 137996), (2110, 68998), (4220, 34499)]