281844080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71899}}^1$

素因数の和:71926

約数の個数: 60

約数和(自身を含む): 762283800

約数和(自身を除く): 480439720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 71899, 143798, 287596, 359495, 503293, 575192, 718990, 1006586, 1150384, 1437980, 2013172, 2516465, 2875960, 3523051, 4026344, 5032930, 5751920, 7046102, 8052688, 10065860, 14092204, 17615255, 20131720, 28184408, 35230510, 40263440, 56368816, 70461020, 140922040, 281844080]

約数ペア:

[(1, 281844080), (2, 140922040), (4, 70461020), (5, 56368816), (7, 40263440), (8, 35230510), (10, 28184408), (14, 20131720), (16, 17615255), (20, 14092204), (28, 10065860), (35, 8052688), (40, 7046102), (49, 5751920), (56, 5032930), (70, 4026344), (80, 3523051), (98, 2875960), (112, 2516465), (140, 2013172), (196, 1437980), (245, 1150384), (280, 1006586), (392, 718990), (490, 575192), (560, 503293), (784, 359495), (980, 287596), (1960, 143798), (3920, 71899)]