280339444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15427}}^1$

素因数の和:15508

約数の個数: 48

約数和(自身を含む): 622056960

約数和(自身を除く): 341717516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 59, 77, 118, 154, 236, 308, 413, 649, 826, 1298, 1652, 2596, 4543, 9086, 15427, 18172, 30854, 61708, 107989, 169697, 215978, 339394, 431956, 678788, 910193, 1187879, 1820386, 2375758, 3640772, 4751516, 6371351, 10012123, 12742702, 20024246, 25485404, 40048492, 70084861, 140169722, 280339444]

約数ペア:

[(1, 280339444), (2, 140169722), (4, 70084861), (7, 40048492), (11, 25485404), (14, 20024246), (22, 12742702), (28, 10012123), (44, 6371351), (59, 4751516), (77, 3640772), (118, 2375758), (154, 1820386), (236, 1187879), (308, 910193), (413, 678788), (649, 431956), (826, 339394), (1298, 215978), (1652, 169697), (2596, 107989), (4543, 61708), (9086, 30854), (15427, 18172)]