90242260

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{121949}}^1$

素因数の和:121995

約数の個数: 24

約数和(自身を含む): 194632200

約数和(自身を除く): 104389940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 121949, 243898, 487796, 609745, 1219490, 2438980, 4512113, 9024226, 18048452, 22560565, 45121130, 90242260]

約数ペア:

[(1, 90242260), (2, 45121130), (4, 22560565), (5, 18048452), (10, 9024226), (20, 4512113), (37, 2438980), (74, 1219490), (148, 609745), (185, 487796), (370, 243898), (740, 121949)]