38998140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{649969}}^1$

素因数の和:649981

約数の個数: 24

約数和(自身を含む): 109194960

約数和(自身を除く): 70196820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 649969, 1299938, 1949907, 2599876, 3249845, 3899814, 6499690, 7799628, 9749535, 12999380, 19499070, 38998140]

約数ペア:

[(1, 38998140), (2, 19499070), (3, 12999380), (4, 9749535), (5, 7799628), (6, 6499690), (10, 3899814), (12, 3249845), (15, 2599876), (20, 1949907), (30, 1299938), (60, 649969)]