447223400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{172009}}^1$

素因数の和:172038

約数の個数: 48

約数和(自身を含む): 1119785100

約数和(自身を除く): 672561700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 172009, 344018, 688036, 860045, 1376072, 1720090, 2236117, 3440180, 4300225, 4472234, 6880360, 8600450, 8944468, 11180585, 17200900, 17888936, 22361170, 34401800, 44722340, 55902925, 89444680, 111805850, 223611700, 447223400]

約数ペア:

[(1, 447223400), (2, 223611700), (4, 111805850), (5, 89444680), (8, 55902925), (10, 44722340), (13, 34401800), (20, 22361170), (25, 17888936), (26, 17200900), (40, 11180585), (50, 8944468), (52, 8600450), (65, 6880360), (100, 4472234), (104, 4300225), (130, 3440180), (200, 2236117), (260, 1720090), (325, 1376072), (520, 860045), (650, 688036), (1300, 344018), (2600, 172009)]