389833840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3350

約数の個数: 80

約数和(自身を含む): 996186240

約数和(自身を除く): 606352400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 176, 220, 278, 440, 556, 695, 880, 1112, 1390, 1529, 2224, 2780, 3058, 3187, 5560, 6116, 6374, 7645, 11120, 12232, 12748, 15290, 15935, 24464, 25496, 30580, 31870, 35057, 50992, 61160, 63740, 70114, 122320, 127480, 140228, 175285, 254960, 280456, 350570, 442993, 560912, 701140, 885986, 1402280, 1771972, 2214965, 2804560, 3543944, 4429930, 4872923, 7087888, 8859860, 9745846, 17719720, 19491692, 24364615, 35439440, 38983384, 48729230, 77966768, 97458460, 194916920, 389833840]

約数ペア:

[(1, 389833840), (2, 194916920), (4, 97458460), (5, 77966768), (8, 48729230), (10, 38983384), (11, 35439440), (16, 24364615), (20, 19491692), (22, 17719720), (40, 9745846), (44, 8859860), (55, 7087888), (80, 4872923), (88, 4429930), (110, 3543944), (139, 2804560), (176, 2214965), (220, 1771972), (278, 1402280), (440, 885986), (556, 701140), (695, 560912), (880, 442993), (1112, 350570), (1390, 280456), (1529, 254960), (2224, 175285), (2780, 140228), (3058, 127480), (3187, 122320), (5560, 70114), (6116, 63740), (6374, 61160), (7645, 50992), (11120, 35057), (12232, 31870), (12748, 30580), (15290, 25496), (15935, 24464)]