1021940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 2205672

約数和(自身を除く): 1183732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1381, 2762, 5524, 6905, 13810, 27620, 51097, 102194, 204388, 255485, 510970, 1021940]

約数ペア:

[(1, 1021940), (2, 510970), (4, 255485), (5, 204388), (10, 102194), (20, 51097), (37, 27620), (74, 13810), (148, 6905), (185, 5524), (370, 2762), (740, 1381)]