7784660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 17875200

約数和(自身を除く): 10090540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 379, 395, 758, 790, 1027, 1516, 1580, 1895, 2054, 3790, 4108, 4927, 5135, 7580, 9854, 10270, 19708, 20540, 24635, 29941, 49270, 59882, 98540, 119764, 149705, 299410, 389233, 598820, 778466, 1556932, 1946165, 3892330, 7784660]

約数ペア:

[(1, 7784660), (2, 3892330), (4, 1946165), (5, 1556932), (10, 778466), (13, 598820), (20, 389233), (26, 299410), (52, 149705), (65, 119764), (79, 98540), (130, 59882), (158, 49270), (260, 29941), (316, 24635), (379, 20540), (395, 19708), (758, 10270), (790, 9854), (1027, 7580), (1516, 5135), (1580, 4927), (1895, 4108), (2054, 3790)]