9168940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 21337344

約数和(自身を除く): 12168404

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 587, 710, 781, 1174, 1420, 1562, 2348, 2935, 3124, 3905, 5870, 6457, 7810, 11740, 12914, 15620, 25828, 32285, 41677, 64570, 83354, 129140, 166708, 208385, 416770, 458447, 833540, 916894, 1833788, 2292235, 4584470, 9168940]

約数ペア:

[(1, 9168940), (2, 4584470), (4, 2292235), (5, 1833788), (10, 916894), (11, 833540), (20, 458447), (22, 416770), (44, 208385), (55, 166708), (71, 129140), (110, 83354), (142, 64570), (220, 41677), (284, 32285), (355, 25828), (587, 15620), (710, 12914), (781, 11740), (1174, 7810), (1420, 6457), (1562, 5870), (2348, 3905), (2935, 3124)]