237996980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{11587}}^1$

素因数の和:11688

約数の個数: 48

約数和(自身を含む): 545099520

約数和(自身を除く): 307102540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 11587, 20540, 23174, 46348, 57935, 115870, 150631, 231740, 301262, 602524, 753155, 915373, 1506310, 1830746, 3012620, 3661492, 4576865, 9153730, 11899849, 18307460, 23799698, 47599396, 59499245, 118998490, 237996980]

約数ペア:

[(1, 237996980), (2, 118998490), (4, 59499245), (5, 47599396), (10, 23799698), (13, 18307460), (20, 11899849), (26, 9153730), (52, 4576865), (65, 3661492), (79, 3012620), (130, 1830746), (158, 1506310), (260, 915373), (316, 753155), (395, 602524), (790, 301262), (1027, 231740), (1580, 150631), (2054, 115870), (4108, 57935), (5135, 46348), (10270, 23174), (11587, 20540)]