99342820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^2\times {\mathrm{389}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 211023540

約数和(自身を除く): 111680720

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 389, 452, 565, 778, 1130, 1556, 1945, 2260, 3890, 7780, 12769, 25538, 43957, 51076, 63845, 87914, 127690, 175828, 219785, 255380, 439570, 879140, 4967141, 9934282, 19868564, 24835705, 49671410, 99342820]

約数ペア:

[(1, 99342820), (2, 49671410), (4, 24835705), (5, 19868564), (10, 9934282), (20, 4967141), (113, 879140), (226, 439570), (389, 255380), (452, 219785), (565, 175828), (778, 127690), (1130, 87914), (1556, 63845), (1945, 51076), (2260, 43957), (3890, 25538), (7780, 12769)]