30163420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4397}}^1$

素因数の和:4427

約数の個数: 48

約数和(自身を含む): 73886400

約数和(自身を除く): 43722980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4397, 6860, 8794, 17588, 21985, 30779, 43970, 61558, 87940, 123116, 153895, 215453, 307790, 430906, 615580, 861812, 1077265, 1508171, 2154530, 3016342, 4309060, 6032684, 7540855, 15081710, 30163420]

約数ペア:

[(1, 30163420), (2, 15081710), (4, 7540855), (5, 6032684), (7, 4309060), (10, 3016342), (14, 2154530), (20, 1508171), (28, 1077265), (35, 861812), (49, 615580), (70, 430906), (98, 307790), (140, 215453), (196, 153895), (245, 123116), (343, 87940), (490, 61558), (686, 43970), (980, 30779), (1372, 21985), (1715, 17588), (3430, 8794), (4397, 6860)]