126291980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{371447}}^1$

素因数の和:371473

約数の個数: 24

約数和(自身を含む): 280814688

約数和(自身を除く): 154522708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 371447, 742894, 1485788, 1857235, 3714470, 6314599, 7428940, 12629198, 25258396, 31572995, 63145990, 126291980]

約数ペア:

[(1, 126291980), (2, 63145990), (4, 31572995), (5, 25258396), (10, 12629198), (17, 7428940), (20, 6314599), (34, 3714470), (68, 1857235), (85, 1485788), (170, 742894), (340, 371447)]