904006780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1\times {\mathrm{1487}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 1923626880

約数和(自身を除く): 1019620100

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 269, 452, 538, 565, 1076, 1130, 1345, 1487, 2260, 2690, 2974, 5380, 5948, 7435, 14870, 29740, 30397, 60794, 121588, 151985, 168031, 303970, 336062, 400003, 607940, 672124, 800006, 840155, 1600012, 1680310, 2000015, 3360620, 4000030, 8000060, 45200339, 90400678, 180801356, 226001695, 452003390, 904006780]

約数ペア:

[(1, 904006780), (2, 452003390), (4, 226001695), (5, 180801356), (10, 90400678), (20, 45200339), (113, 8000060), (226, 4000030), (269, 3360620), (452, 2000015), (538, 1680310), (565, 1600012), (1076, 840155), (1130, 800006), (1345, 672124), (1487, 607940), (2260, 400003), (2690, 336062), (2974, 303970), (5380, 168031), (5948, 151985), (7435, 121588), (14870, 60794), (29740, 30397)]