163914940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1170821}}^1$

素因数の和:1170837

約数の個数: 24

約数和(自身を含む): 393396192

約数和(自身を除く): 229481252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1170821, 2341642, 4683284, 5854105, 8195747, 11708210, 16391494, 23416420, 32782988, 40978735, 81957470, 163914940]

約数ペア:

[(1, 163914940), (2, 81957470), (4, 40978735), (5, 32782988), (7, 23416420), (10, 16391494), (14, 11708210), (20, 8195747), (28, 5854105), (35, 4683284), (70, 2341642), (140, 1170821)]