4421270

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{1289}}^1$

素因数の和:1317

約数の個数: 32

約数和(自身を含む): 9288000

約数和(自身を除く): 4866730

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1289, 1715, 2578, 3430, 6445, 9023, 12890, 18046, 45115, 63161, 90230, 126322, 315805, 442127, 631610, 884254, 2210635, 4421270]

約数ペア:

[(1, 4421270), (2, 2210635), (5, 884254), (7, 631610), (10, 442127), (14, 315805), (35, 126322), (49, 90230), (70, 63161), (98, 45115), (245, 18046), (343, 12890), (490, 9023), (686, 6445), (1289, 3430), (1715, 2578)]