291204220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{856483}}^1$

素因数の和:856509

約数の個数: 24

約数和(自身を含む): 647501904

約数和(自身を除く): 356297684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 856483, 1712966, 3425932, 4282415, 8564830, 14560211, 17129660, 29120422, 58240844, 72801055, 145602110, 291204220]

約数ペア:

[(1, 291204220), (2, 145602110), (4, 72801055), (5, 58240844), (10, 29120422), (17, 17129660), (20, 14560211), (34, 8564830), (68, 4282415), (85, 3425932), (170, 1712966), (340, 856483)]