220180030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{449347}}^1$

素因数の和:449368

約数の個数: 24

約数和(自身を含む): 461031048

約数和(自身を除く): 240851018

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 449347, 898694, 2246735, 3145429, 4493470, 6290858, 15727145, 22018003, 31454290, 44036006, 110090015, 220180030]

約数ペア:

[(1, 220180030), (2, 110090015), (5, 44036006), (7, 31454290), (10, 22018003), (14, 15727145), (35, 6290858), (49, 4493470), (70, 3145429), (98, 2246735), (245, 898694), (490, 449347)]