74019940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 161409024

約数和(自身を除く): 87389084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 277, 310, 431, 554, 620, 862, 1108, 1385, 1724, 2155, 2770, 4310, 5540, 8587, 8620, 13361, 17174, 26722, 34348, 42935, 53444, 66805, 85870, 119387, 133610, 171740, 238774, 267220, 477548, 596935, 1193870, 2387740, 3700997, 7401994, 14803988, 18504985, 37009970, 74019940]

約数ペア:

[(1, 74019940), (2, 37009970), (4, 18504985), (5, 14803988), (10, 7401994), (20, 3700997), (31, 2387740), (62, 1193870), (124, 596935), (155, 477548), (277, 267220), (310, 238774), (431, 171740), (554, 133610), (620, 119387), (862, 85870), (1108, 66805), (1385, 53444), (1724, 42935), (2155, 34348), (2770, 26722), (4310, 17174), (5540, 13361), (8587, 8620)]