490444760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{72551}}^1$

素因数の和:72588

約数の個数: 48

約数和(自身を含む): 1194931440

約数和(自身を除く): 704486680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 72551, 145102, 290204, 362755, 580408, 725510, 943163, 1451020, 1886326, 2902040, 3772652, 4715815, 7545304, 9431630, 12261119, 18863260, 24522238, 37726520, 49044476, 61305595, 98088952, 122611190, 245222380, 490444760]

約数ペア:

[(1, 490444760), (2, 245222380), (4, 122611190), (5, 98088952), (8, 61305595), (10, 49044476), (13, 37726520), (20, 24522238), (26, 18863260), (40, 12261119), (52, 9431630), (65, 7545304), (104, 4715815), (130, 3772652), (169, 2902040), (260, 1886326), (338, 1451020), (520, 943163), (676, 725510), (845, 580408), (1352, 362755), (1690, 290204), (3380, 145102), (6760, 72551)]