9803800020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23342381}}^1$

素因数の和:23342400

約数の個数: 48

約数和(自身を含む): 31372161408

約数和(自身を除く): 21568361388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 23342381, 46684762, 70027143, 93369524, 116711905, 140054286, 163396667, 233423810, 280108572, 326793334, 350135715, 466847620, 490190001, 653586668, 700271430, 816983335, 980380002, 1400542860, 1633966670, 1960760004, 2450950005, 3267933340, 4901900010, 9803800020]

約数ペア:

[(1, 9803800020), (2, 4901900010), (3, 3267933340), (4, 2450950005), (5, 1960760004), (6, 1633966670), (7, 1400542860), (10, 980380002), (12, 816983335), (14, 700271430), (15, 653586668), (20, 490190001), (21, 466847620), (28, 350135715), (30, 326793334), (35, 280108572), (42, 233423810), (60, 163396667), (70, 140054286), (84, 116711905), (105, 93369524), (140, 70027143), (210, 46684762), (420, 23342381)]