211377400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{81299}}^1$

素因数の和:81328

約数の個数: 48

約数和(自身を含む): 529263000

約数和(自身を除く): 317885600

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, 81299, 162598, 325196, 406495, 650392, 812990, 1056887, 1625980, 2032475, 2113774, 3251960, 4064950, 4227548, 5284435, 8129900, 8455096, 10568870, 16259800, 21137740, 26422175, 42275480, 52844350, 105688700, 211377400]

約数ペア:

[(1, 211377400), (2, 105688700), (4, 52844350), (5, 42275480), (8, 26422175), (10, 21137740), (13, 16259800), (20, 10568870), (25, 8455096), (26, 8129900), (40, 5284435), (50, 4227548), (52, 4064950), (65, 3251960), (100, 2113774), (104, 2032475), (130, 1625980), (200, 1056887), (260, 812990), (325, 650392), (520, 406495), (650, 325196), (1300, 162598), (2600, 81299)]