778892180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{929}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 1852381440

約数和(自身を除く): 1073489260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 103, 110, 148, 185, 206, 220, 370, 407, 412, 515, 740, 814, 929, 1030, 1133, 1628, 1858, 2035, 2060, 2266, 3716, 3811, 4070, 4532, 4645, 5665, 7622, 8140, 9290, 10219, 11330, 15244, 18580, 19055, 20438, 22660, 34373, 38110, 40876, 41921, 51095, 68746, 76220, 83842, 95687, 102190, 137492, 167684, 171865, 191374, 204380, 209605, 343730, 378103, 382748, 419210, 478435, 687460, 756206, 838420, 956870, 1052557, 1512412, 1890515, 1913740, 2105114, 3540419, 3781030, 4210228, 5262785, 7080838, 7562060, 10525570, 14161676, 17702095, 21051140, 35404190, 38944609, 70808380, 77889218, 155778436, 194723045, 389446090, 778892180]

約数ペア:

[(1, 778892180), (2, 389446090), (4, 194723045), (5, 155778436), (10, 77889218), (11, 70808380), (20, 38944609), (22, 35404190), (37, 21051140), (44, 17702095), (55, 14161676), (74, 10525570), (103, 7562060), (110, 7080838), (148, 5262785), (185, 4210228), (206, 3781030), (220, 3540419), (370, 2105114), (407, 1913740), (412, 1890515), (515, 1512412), (740, 1052557), (814, 956870), (929, 838420), (1030, 756206), (1133, 687460), (1628, 478435), (1858, 419210), (2035, 382748), (2060, 378103), (2266, 343730), (3716, 209605), (3811, 204380), (4070, 191374), (4532, 171865), (4645, 167684), (5665, 137492), (7622, 102190), (8140, 95687), (9290, 83842), (10219, 76220), (11330, 68746), (15244, 51095), (18580, 41921), (19055, 40876), (20438, 38110), (22660, 34373)]