31988180

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4663}}^1$

素因数の和:4693

約数の個数: 48

約数和(自身を含む): 78355200

約数和(自身を除く): 46367020

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, 4663, 6860, 9326, 18652, 23315, 32641, 46630, 65282, 93260, 130564, 163205, 228487, 326410, 456974, 652820, 913948, 1142435, 1599409, 2284870, 3198818, 4569740, 6397636, 7997045, 15994090, 31988180]

約数ペア:

[(1, 31988180), (2, 15994090), (4, 7997045), (5, 6397636), (7, 4569740), (10, 3198818), (14, 2284870), (20, 1599409), (28, 1142435), (35, 913948), (49, 652820), (70, 456974), (98, 326410), (140, 228487), (196, 163205), (245, 130564), (343, 93260), (490, 65282), (686, 46630), (980, 32641), (1372, 23315), (1715, 18652), (3430, 9326), (4663, 6860)]