290223040

素因数分解:

$2^6\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2393}}^1$

素因数の和:2789

約数の個数: 56

約数和(自身を含む): 693206640

約数和(自身を除く): 402983600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 379, 758, 1516, 1895, 2393, 3032, 3790, 4786, 6064, 7580, 9572, 11965, 12128, 15160, 19144, 23930, 24256, 30320, 38288, 47860, 60640, 76576, 95720, 121280, 153152, 191440, 382880, 765760, 906947, 1813894, 3627788, 4534735, 7255576, 9069470, 14511152, 18138940, 29022304, 36277880, 58044608, 72555760, 145111520, 290223040]

約数ペア:

[(1, 290223040), (2, 145111520), (4, 72555760), (5, 58044608), (8, 36277880), (10, 29022304), (16, 18138940), (20, 14511152), (32, 9069470), (40, 7255576), (64, 4534735), (80, 3627788), (160, 1813894), (320, 906947), (379, 765760), (758, 382880), (1516, 191440), (1895, 153152), (2393, 121280), (3032, 95720), (3790, 76576), (4786, 60640), (6064, 47860), (7580, 38288), (9572, 30320), (11965, 24256), (12128, 23930), (15160, 19144)]