2220090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 5455296

約数和(自身を除く): 3235206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 1721, 3442, 5163, 8605, 10326, 17210, 25815, 51630, 74003, 148006, 222009, 370015, 444018, 740030, 1110045, 2220090]

約数ペア:

[(1, 2220090), (2, 1110045), (3, 740030), (5, 444018), (6, 370015), (10, 222009), (15, 148006), (30, 74003), (43, 51630), (86, 25815), (129, 17210), (215, 10326), (258, 8605), (430, 5163), (645, 3442), (1290, 1721)]