155374940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1109821}}^1$

素因数の和:1109837

約数の個数: 24

約数和(自身を含む): 372900192

約数和(自身を除く): 217525252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1109821, 2219642, 4439284, 5549105, 7768747, 11098210, 15537494, 22196420, 31074988, 38843735, 77687470, 155374940]

約数ペア:

[(1, 155374940), (2, 77687470), (4, 38843735), (5, 31074988), (7, 22196420), (10, 15537494), (14, 11098210), (20, 7768747), (28, 5549105), (35, 4439284), (70, 2219642), (140, 1109821)]