149704840

素因数分解:

$2^3\times 5^1\times {\mathrm{3742621}}^1$

素因数の和:3742632

約数の個数: 16

約数和(自身を含む): 336835980

約数和(自身を除く): 187131140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3742621, 7485242, 14970484, 18713105, 29940968, 37426210, 74852420, 149704840]

約数ペア:

[(1, 149704840), (2, 74852420), (4, 37426210), (5, 29940968), (8, 18713105), (10, 14970484), (20, 7485242), (40, 3742621)]