2938000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 7718256

約数和(自身を除く): 4780256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 113, 125, 130, 200, 208, 226, 250, 260, 325, 400, 452, 500, 520, 565, 650, 904, 1000, 1040, 1130, 1300, 1469, 1625, 1808, 2000, 2260, 2600, 2825, 2938, 3250, 4520, 5200, 5650, 5876, 6500, 7345, 9040, 11300, 11752, 13000, 14125, 14690, 22600, 23504, 26000, 28250, 29380, 36725, 45200, 56500, 58760, 73450, 113000, 117520, 146900, 183625, 226000, 293800, 367250, 587600, 734500, 1469000, 2938000]

約数ペア:

[(1, 2938000), (2, 1469000), (4, 734500), (5, 587600), (8, 367250), (10, 293800), (13, 226000), (16, 183625), (20, 146900), (25, 117520), (26, 113000), (40, 73450), (50, 58760), (52, 56500), (65, 45200), (80, 36725), (100, 29380), (104, 28250), (113, 26000), (125, 23504), (130, 22600), (200, 14690), (208, 14125), (226, 13000), (250, 11752), (260, 11300), (325, 9040), (400, 7345), (452, 6500), (500, 5876), (520, 5650), (565, 5200), (650, 4520), (904, 3250), (1000, 2938), (1040, 2825), (1130, 2600), (1300, 2260), (1469, 2000), (1625, 1808)]