10438940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 22982400

約数和(自身を除く): 12543460

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 149, 155, 226, 298, 310, 452, 565, 596, 620, 745, 1130, 1490, 2260, 2980, 3503, 4619, 7006, 9238, 14012, 16837, 17515, 18476, 23095, 33674, 35030, 46190, 67348, 70060, 84185, 92380, 168370, 336740, 521947, 1043894, 2087788, 2609735, 5219470, 10438940]

約数ペア:

[(1, 10438940), (2, 5219470), (4, 2609735), (5, 2087788), (10, 1043894), (20, 521947), (31, 336740), (62, 168370), (113, 92380), (124, 84185), (149, 70060), (155, 67348), (226, 46190), (298, 35030), (310, 33674), (452, 23095), (565, 18476), (596, 17515), (620, 16837), (745, 14012), (1130, 9238), (1490, 7006), (2260, 4619), (2980, 3503)]