4273780

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{89}}^1$

素因数の和:126

約数の個数: 60

約数和(自身を含む): 10587780

約数和(自身を除く): 6314000

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 343, 356, 445, 490, 623, 686, 890, 980, 1246, 1372, 1715, 1780, 2401, 2492, 3115, 3430, 4361, 4802, 6230, 6860, 8722, 9604, 12005, 12460, 17444, 21805, 24010, 30527, 43610, 48020, 61054, 87220, 122108, 152635, 213689, 305270, 427378, 610540, 854756, 1068445, 2136890, 4273780]

約数ペア:

[(1, 4273780), (2, 2136890), (4, 1068445), (5, 854756), (7, 610540), (10, 427378), (14, 305270), (20, 213689), (28, 152635), (35, 122108), (49, 87220), (70, 61054), (89, 48020), (98, 43610), (140, 30527), (178, 24010), (196, 21805), (245, 17444), (343, 12460), (356, 12005), (445, 9604), (490, 8722), (623, 6860), (686, 6230), (890, 4802), (980, 4361), (1246, 3430), (1372, 3115), (1715, 2492), (1780, 2401)]