256280660

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{4621}}^1$

素因数の和:4736

約数の個数: 48

約数和(自身を含む): 559077120

約数和(自身を除く): 302796460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 188, 235, 236, 295, 470, 590, 940, 1180, 2773, 4621, 5546, 9242, 11092, 13865, 18484, 23105, 27730, 46210, 55460, 92420, 217187, 272639, 434374, 545278, 868748, 1085935, 1090556, 1363195, 2171870, 2726390, 4343740, 5452780, 12814033, 25628066, 51256132, 64070165, 128140330, 256280660]

約数ペア:

[(1, 256280660), (2, 128140330), (4, 64070165), (5, 51256132), (10, 25628066), (20, 12814033), (47, 5452780), (59, 4343740), (94, 2726390), (118, 2171870), (188, 1363195), (235, 1090556), (236, 1085935), (295, 868748), (470, 545278), (590, 434374), (940, 272639), (1180, 217187), (2773, 92420), (4621, 55460), (5546, 46210), (9242, 27730), (11092, 23105), (13865, 18484)]