90867820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1297}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 198874368

約数和(自身を除く): 108006548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 310, 452, 565, 620, 1130, 1297, 2260, 2594, 3503, 5188, 6485, 7006, 12970, 14012, 17515, 25940, 35030, 40207, 70060, 80414, 146561, 160828, 201035, 293122, 402070, 586244, 732805, 804140, 1465610, 2931220, 4543391, 9086782, 18173564, 22716955, 45433910, 90867820]

約数ペア:

[(1, 90867820), (2, 45433910), (4, 22716955), (5, 18173564), (10, 9086782), (20, 4543391), (31, 2931220), (62, 1465610), (113, 804140), (124, 732805), (155, 586244), (226, 402070), (310, 293122), (452, 201035), (565, 160828), (620, 146561), (1130, 80414), (1297, 70060), (2260, 40207), (2594, 35030), (3503, 25940), (5188, 17515), (6485, 14012), (7006, 12970)]