3958220

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{577}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 9710400

約数和(自身を除く): 5752180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 577, 686, 980, 1154, 1372, 1715, 2308, 2885, 3430, 4039, 5770, 6860, 8078, 11540, 16156, 20195, 28273, 40390, 56546, 80780, 113092, 141365, 197911, 282730, 395822, 565460, 791644, 989555, 1979110, 3958220]

約数ペア:

[(1, 3958220), (2, 1979110), (4, 989555), (5, 791644), (7, 565460), (10, 395822), (14, 282730), (20, 197911), (28, 141365), (35, 113092), (49, 80780), (70, 56546), (98, 40390), (140, 28273), (196, 20195), (245, 16156), (343, 11540), (490, 8078), (577, 6860), (686, 5770), (980, 4039), (1154, 3430), (1372, 2885), (1715, 2308)]