278570404

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{983}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 578592000

約数和(自身を除く): 300021596

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 349, 406, 698, 812, 983, 1396, 1966, 2443, 3932, 4886, 6881, 9772, 10121, 13762, 20242, 27524, 28507, 40484, 57014, 70847, 114028, 141694, 199549, 283388, 343067, 399098, 686134, 798196, 1372268, 2401469, 4802938, 9605876, 9948943, 19897886, 39795772, 69642601, 139285202, 278570404]

約数ペア:

[(1, 278570404), (2, 139285202), (4, 69642601), (7, 39795772), (14, 19897886), (28, 9948943), (29, 9605876), (58, 4802938), (116, 2401469), (203, 1372268), (349, 798196), (406, 686134), (698, 399098), (812, 343067), (983, 283388), (1396, 199549), (1966, 141694), (2443, 114028), (3932, 70847), (4886, 57014), (6881, 40484), (9772, 28507), (10121, 27524), (13762, 20242)]