213502940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1525021}}^1$

素因数の和:1525037

約数の個数: 24

約数和(自身を含む): 512407392

約数和(自身を除く): 298904452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1525021, 3050042, 6100084, 7625105, 10675147, 15250210, 21350294, 30500420, 42700588, 53375735, 106751470, 213502940]

約数ペア:

[(1, 213502940), (2, 106751470), (4, 53375735), (5, 42700588), (7, 30500420), (10, 21350294), (14, 15250210), (20, 10675147), (28, 7625105), (35, 6100084), (70, 3050042), (140, 1525021)]