90730780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2111}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 218566656

約数和(自身を除く): 127835876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 307, 614, 1228, 1535, 2111, 2149, 3070, 4222, 4298, 6140, 8444, 8596, 10555, 10745, 14777, 21110, 21490, 29554, 42220, 42980, 59108, 73885, 147770, 295540, 648077, 1296154, 2592308, 3240385, 4536539, 6480770, 9073078, 12961540, 18146156, 22682695, 45365390, 90730780]

約数ペア:

[(1, 90730780), (2, 45365390), (4, 22682695), (5, 18146156), (7, 12961540), (10, 9073078), (14, 6480770), (20, 4536539), (28, 3240385), (35, 2592308), (70, 1296154), (140, 648077), (307, 295540), (614, 147770), (1228, 73885), (1535, 59108), (2111, 42980), (2149, 42220), (3070, 29554), (4222, 21490), (4298, 21110), (6140, 14777), (8444, 10745), (8596, 10555)]