1449667780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{16111}}^1$

素因数の和:16540

約数の個数: 48

約数和(自身を含む): 3329383680

約数和(自身を除く): 1879715900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 409, 818, 1636, 2045, 4090, 4499, 8180, 8998, 16111, 17996, 22495, 32222, 44990, 64444, 80555, 89980, 161110, 177221, 322220, 354442, 708884, 886105, 1772210, 3544420, 6589399, 13178798, 26357596, 32946995, 65893990, 72483389, 131787980, 144966778, 289933556, 362416945, 724833890, 1449667780]

約数ペア:

[(1, 1449667780), (2, 724833890), (4, 362416945), (5, 289933556), (10, 144966778), (11, 131787980), (20, 72483389), (22, 65893990), (44, 32946995), (55, 26357596), (110, 13178798), (220, 6589399), (409, 3544420), (818, 1772210), (1636, 886105), (2045, 708884), (4090, 354442), (4499, 322220), (8180, 177221), (8998, 161110), (16111, 89980), (17996, 80555), (22495, 64444), (32222, 44990)]