279209440

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15443}}^1$

素因数の和:15571

約数の個数: 48

約数和(自身を含む): 665512848

約数和(自身を除く): 386303408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 9040, 15443, 18080, 30886, 61772, 77215, 123544, 154430, 247088, 308860, 494176, 617720, 1235440, 1745059, 2470880, 3490118, 6980236, 8725295, 13960472, 17450590, 27920944, 34901180, 55841888, 69802360, 139604720, 279209440]

約数ペア:

[(1, 279209440), (2, 139604720), (4, 69802360), (5, 55841888), (8, 34901180), (10, 27920944), (16, 17450590), (20, 13960472), (32, 8725295), (40, 6980236), (80, 3490118), (113, 2470880), (160, 1745059), (226, 1235440), (452, 617720), (565, 494176), (904, 308860), (1130, 247088), (1808, 154430), (2260, 123544), (3616, 77215), (4520, 61772), (9040, 30886), (15443, 18080)]