172314580

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{4561}}^1$

素因数の和:6459

約数の個数: 24

約数和(自身を含む): 362131560

約数和(自身を除く): 189816980

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 4561, 7556, 9122, 9445, 18244, 18890, 22805, 37780, 45610, 91220, 8615729, 17231458, 34462916, 43078645, 86157290, 172314580]

約数ペア:

[(1, 172314580), (2, 86157290), (4, 43078645), (5, 34462916), (10, 17231458), (20, 8615729), (1889, 91220), (3778, 45610), (4561, 37780), (7556, 22805), (9122, 18890), (9445, 18244)]