205190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:112

約数の個数: 24

約数和(自身を含む): 397872

約数和(自身を除く): 192682

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 289, 355, 578, 710, 1207, 1445, 2414, 2890, 6035, 12070, 20519, 41038, 102595, 205190]

約数ペア:

[(1, 205190), (2, 102595), (5, 41038), (10, 20519), (17, 12070), (34, 6035), (71, 2890), (85, 2414), (142, 1445), (170, 1207), (289, 710), (355, 578)]