989860760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{505031}}^1$

素因数の和:505056

約数の個数: 48

約数和(自身を含む): 2590814160

約数和(自身を除く): 1600953400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 505031, 1010062, 2020124, 2525155, 3535217, 4040248, 5050310, 7070434, 10100620, 14140868, 17676085, 20201240, 24746519, 28281736, 35352170, 49493038, 70704340, 98986076, 123732595, 141408680, 197972152, 247465190, 494930380, 989860760]

約数ペア:

[(1, 989860760), (2, 494930380), (4, 247465190), (5, 197972152), (7, 141408680), (8, 123732595), (10, 98986076), (14, 70704340), (20, 49493038), (28, 35352170), (35, 28281736), (40, 24746519), (49, 20201240), (56, 17676085), (70, 14140868), (98, 10100620), (140, 7070434), (196, 5050310), (245, 4040248), (280, 3535217), (392, 2525155), (490, 2020124), (980, 1010062), (1960, 505031)]