31206220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5399}}^1$

素因数の和:5442

約数の個数: 36

約数和(自身を含む): 69627600

約数和(自身を除く): 38421380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5399, 5780, 10798, 21596, 26995, 53990, 91783, 107980, 183566, 367132, 458915, 917830, 1560311, 1835660, 3120622, 6241244, 7801555, 15603110, 31206220]

約数ペア:

[(1, 31206220), (2, 15603110), (4, 7801555), (5, 6241244), (10, 3120622), (17, 1835660), (20, 1560311), (34, 917830), (68, 458915), (85, 367132), (170, 183566), (289, 107980), (340, 91783), (578, 53990), (1156, 26995), (1445, 21596), (2890, 10798), (5399, 5780)]