291268449020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25121}}^1\times {\mathrm{18701}}^1$

素因数の和:43862

約数の個数: 48

約数和(自身を含む): 631453729536

約数和(自身を除く): 340185280516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 18701, 25121, 37402, 50242, 74804, 93505, 100484, 125605, 187010, 251210, 374020, 502420, 579731, 778751, 1159462, 1557502, 2318924, 2898655, 3115004, 3893755, 5797310, 7787510, 11594620, 15575020, 469787821, 939575642, 1879151284, 2348939105, 4697878210, 9395756420, 14563422451, 29126844902, 58253689804, 72817112255, 145634224510, 291268449020]

約数ペア:

[(1, 291268449020), (2, 145634224510), (4, 72817112255), (5, 58253689804), (10, 29126844902), (20, 14563422451), (31, 9395756420), (62, 4697878210), (124, 2348939105), (155, 1879151284), (310, 939575642), (620, 469787821), (18701, 15575020), (25121, 11594620), (37402, 7787510), (50242, 5797310), (74804, 3893755), (93505, 3115004), (100484, 2898655), (125605, 2318924), (187010, 1557502), (251210, 1159462), (374020, 778751), (502420, 579731)]