214626620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{63499}}^1$

素因数の和:63534

約数の個数: 36

約数和(自身を含む): 488061000

約数和(自身を除く): 273434380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 63499, 126998, 253996, 317495, 634990, 825487, 1269980, 1650974, 3301948, 4127435, 8254870, 10731331, 16509740, 21462662, 42925324, 53656655, 107313310, 214626620]

約数ペア:

[(1, 214626620), (2, 107313310), (4, 53656655), (5, 42925324), (10, 21462662), (13, 16509740), (20, 10731331), (26, 8254870), (52, 4127435), (65, 3301948), (130, 1650974), (169, 1269980), (260, 825487), (338, 634990), (676, 317495), (845, 253996), (1690, 126998), (3380, 63499)]