11031980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 24929856

約数和(自身を除く): 13897876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 457, 710, 914, 1207, 1420, 1828, 2285, 2414, 4570, 4828, 6035, 7769, 9140, 12070, 15538, 24140, 31076, 32447, 38845, 64894, 77690, 129788, 155380, 162235, 324470, 551599, 648940, 1103198, 2206396, 2757995, 5515990, 11031980]

約数ペア:

[(1, 11031980), (2, 5515990), (4, 2757995), (5, 2206396), (10, 1103198), (17, 648940), (20, 551599), (34, 324470), (68, 162235), (71, 155380), (85, 129788), (142, 77690), (170, 64894), (284, 38845), (340, 32447), (355, 31076), (457, 24140), (710, 15538), (914, 12070), (1207, 9140), (1420, 7769), (1828, 6035), (2285, 4828), (2414, 4570)]