903769660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{10487}}^1$

素因数の和:10666

約数の個数: 48

約数和(自身を含む): 1973422080

約数和(自身を除く): 1069652420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 4309, 8618, 10487, 17236, 20974, 21545, 41948, 43090, 52435, 86180, 104870, 209740, 325097, 650194, 1300388, 1457693, 1625485, 2915386, 3250970, 5830772, 6501940, 7288465, 14576930, 29153860, 45188483, 90376966, 180753932, 225942415, 451884830, 903769660]

約数ペア:

[(1, 903769660), (2, 451884830), (4, 225942415), (5, 180753932), (10, 90376966), (20, 45188483), (31, 29153860), (62, 14576930), (124, 7288465), (139, 6501940), (155, 5830772), (278, 3250970), (310, 2915386), (556, 1625485), (620, 1457693), (695, 1300388), (1390, 650194), (2780, 325097), (4309, 209740), (8618, 104870), (10487, 86180), (17236, 52435), (20974, 43090), (21545, 41948)]