133888400

素因数分解:

$2^4\times 5^2\times {\mathrm{334721}}^1$

素因数の和:334739

約数の個数: 30

約数和(自身を含む): 321667842

約数和(自身を除く): 187779442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 334721, 669442, 1338884, 1673605, 2677768, 3347210, 5355536, 6694420, 8368025, 13388840, 16736050, 26777680, 33472100, 66944200, 133888400]

約数ペア:

[(1, 133888400), (2, 66944200), (4, 33472100), (5, 26777680), (8, 16736050), (10, 13388840), (16, 8368025), (20, 6694420), (25, 5355536), (40, 3347210), (50, 2677768), (80, 1673605), (100, 1338884), (200, 669442), (400, 334721)]