155514940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1110821}}^1$

素因数の和:1110837

約数の個数: 24

約数和(自身を含む): 373236192

約数和(自身を除く): 217721252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1110821, 2221642, 4443284, 5554105, 7775747, 11108210, 15551494, 22216420, 31102988, 38878735, 77757470, 155514940]

約数ペア:

[(1, 155514940), (2, 77757470), (4, 38878735), (5, 31102988), (7, 22216420), (10, 15551494), (14, 11108210), (20, 7775747), (28, 5554105), (35, 4443284), (70, 2221642), (140, 1110821)]