31823540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4639}}^1$

素因数の和:4669

約数の個数: 48

約数和(自身を含む): 77952000

約数和(自身を除く): 46128460

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, 4639, 6860, 9278, 18556, 23195, 32473, 46390, 64946, 92780, 129892, 162365, 227311, 324730, 454622, 649460, 909244, 1136555, 1591177, 2273110, 3182354, 4546220, 6364708, 7955885, 15911770, 31823540]

約数ペア:

[(1, 31823540), (2, 15911770), (4, 7955885), (5, 6364708), (7, 4546220), (10, 3182354), (14, 2273110), (20, 1591177), (28, 1136555), (35, 909244), (49, 649460), (70, 454622), (98, 324730), (140, 227311), (196, 162365), (245, 129892), (343, 92780), (490, 64946), (686, 46390), (980, 32473), (1372, 23195), (1715, 18556), (3430, 9278), (4639, 6860)]