29987830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 57425760

約数和(自身を除く): 27437930

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 419, 421, 838, 842, 2095, 2105, 4190, 4210, 7123, 7157, 14246, 14314, 35615, 35785, 71230, 71570, 176399, 352798, 881995, 1763990, 2998783, 5997566, 14993915, 29987830]

約数ペア:

[(1, 29987830), (2, 14993915), (5, 5997566), (10, 2998783), (17, 1763990), (34, 881995), (85, 352798), (170, 176399), (419, 71570), (421, 71230), (838, 35785), (842, 35615), (2095, 14314), (2105, 14246), (4190, 7157), (4210, 7123)]