1308400

素因数分解:

$2^4\times 5^2\times {\mathrm{3271}}^1$

素因数の和:3289

約数の個数: 30

約数和(自身を含む): 3144392

約数和(自身を除く): 1835992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3271, 6542, 13084, 16355, 26168, 32710, 52336, 65420, 81775, 130840, 163550, 261680, 327100, 654200, 1308400]

約数ペア:

[(1, 1308400), (2, 654200), (4, 327100), (5, 261680), (8, 163550), (10, 130840), (16, 81775), (20, 65420), (25, 52336), (40, 32710), (50, 26168), (80, 16355), (100, 13084), (200, 6542), (400, 3271)]