129204500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{3271}}^1$

素因数の和:3369

約数の個数: 48

約数和(自身を含む): 285841920

約数和(自身を除く): 156637420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 790, 1580, 1975, 3271, 3950, 6542, 7900, 9875, 13084, 16355, 19750, 32710, 39500, 65420, 81775, 163550, 258409, 327100, 408875, 516818, 817750, 1033636, 1292045, 1635500, 2584090, 5168180, 6460225, 12920450, 25840900, 32301125, 64602250, 129204500]

約数ペア:

[(1, 129204500), (2, 64602250), (4, 32301125), (5, 25840900), (10, 12920450), (20, 6460225), (25, 5168180), (50, 2584090), (79, 1635500), (100, 1292045), (125, 1033636), (158, 817750), (250, 516818), (316, 408875), (395, 327100), (500, 258409), (790, 163550), (1580, 81775), (1975, 65420), (3271, 39500), (3950, 32710), (6542, 19750), (7900, 16355), (9875, 13084)]