210819620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13127}}^1$

素因数の和:13220

約数の個数: 48

約数和(自身を含む): 489621888

約数和(自身を除く): 278802268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 13127, 16060, 26254, 52508, 65635, 131270, 144397, 262540, 288794, 577588, 721985, 958271, 1443970, 1916542, 2887940, 3833084, 4791355, 9582710, 10540981, 19165420, 21081962, 42163924, 52704905, 105409810, 210819620]

約数ペア:

[(1, 210819620), (2, 105409810), (4, 52704905), (5, 42163924), (10, 21081962), (11, 19165420), (20, 10540981), (22, 9582710), (44, 4791355), (55, 3833084), (73, 2887940), (110, 1916542), (146, 1443970), (220, 958271), (292, 721985), (365, 577588), (730, 288794), (803, 262540), (1460, 144397), (1606, 131270), (3212, 65635), (4015, 52508), (8030, 26254), (13127, 16060)]