7916440

素因数分解:

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

素因数の和:609

約数の個数: 64

約数和(自身を含む): 20808000

約数和(自身を除く): 12891560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 577, 686, 980, 1154, 1372, 1715, 1960, 2308, 2744, 2885, 3430, 4039, 4616, 5770, 6860, 8078, 11540, 13720, 16156, 20195, 23080, 28273, 32312, 40390, 56546, 80780, 113092, 141365, 161560, 197911, 226184, 282730, 395822, 565460, 791644, 989555, 1130920, 1583288, 1979110, 3958220, 7916440]

約数ペア:

[(1, 7916440), (2, 3958220), (4, 1979110), (5, 1583288), (7, 1130920), (8, 989555), (10, 791644), (14, 565460), (20, 395822), (28, 282730), (35, 226184), (40, 197911), (49, 161560), (56, 141365), (70, 113092), (98, 80780), (140, 56546), (196, 40390), (245, 32312), (280, 28273), (343, 23080), (392, 20195), (490, 16156), (577, 13720), (686, 11540), (980, 8078), (1154, 6860), (1372, 5770), (1715, 4616), (1960, 4039), (2308, 3430), (2744, 2885)]