8374940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{367}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 20278272

約数和(自身を除く): 11903332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 367, 652, 734, 815, 1141, 1468, 1630, 1835, 2282, 2569, 3260, 3670, 4564, 5138, 5705, 7340, 10276, 11410, 12845, 22820, 25690, 51380, 59821, 119642, 239284, 299105, 418747, 598210, 837494, 1196420, 1674988, 2093735, 4187470, 8374940]

約数ペア:

[(1, 8374940), (2, 4187470), (4, 2093735), (5, 1674988), (7, 1196420), (10, 837494), (14, 598210), (20, 418747), (28, 299105), (35, 239284), (70, 119642), (140, 59821), (163, 51380), (326, 25690), (367, 22820), (652, 12845), (734, 11410), (815, 10276), (1141, 7340), (1468, 5705), (1630, 5138), (1835, 4564), (2282, 3670), (2569, 3260)]