129489400

素因数分解:

$2^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1583}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 301989600

約数和(自身を除く): 172500200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409, 818, 1583, 1636, 2045, 3166, 3272, 4090, 6332, 7915, 8180, 10225, 12664, 15830, 16360, 20450, 31660, 39575, 40900, 63320, 79150, 81800, 158300, 316600, 647447, 1294894, 2589788, 3237235, 5179576, 6474470, 12948940, 16186175, 25897880, 32372350, 64744700, 129489400]

約数ペア:

[(1, 129489400), (2, 64744700), (4, 32372350), (5, 25897880), (8, 16186175), (10, 12948940), (20, 6474470), (25, 5179576), (40, 3237235), (50, 2589788), (100, 1294894), (200, 647447), (409, 316600), (818, 158300), (1583, 81800), (1636, 79150), (2045, 63320), (3166, 40900), (3272, 39575), (4090, 31660), (6332, 20450), (7915, 16360), (8180, 15830), (10225, 12664)]