143394580

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{20903}}^1$

素因数の和:20933

約数の個数: 48

約数和(自身を含む): 351187200

約数和(自身を除く): 207792620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 20903, 41806, 83612, 104515, 146321, 209030, 292642, 418060, 585284, 731605, 1024247, 1463210, 2048494, 2926420, 4096988, 5121235, 7169729, 10242470, 14339458, 20484940, 28678916, 35848645, 71697290, 143394580]

約数ペア:

[(1, 143394580), (2, 71697290), (4, 35848645), (5, 28678916), (7, 20484940), (10, 14339458), (14, 10242470), (20, 7169729), (28, 5121235), (35, 4096988), (49, 2926420), (70, 2048494), (98, 1463210), (140, 1024247), (196, 731605), (245, 585284), (343, 418060), (490, 292642), (686, 209030), (980, 146321), (1372, 104515), (1715, 83612), (3430, 41806), (6860, 20903)]