253513720

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{14437}}^1$

素因数の和:14887

約数の個数: 32

約数和(自身を含む): 571744800

約数和(自身を除く): 318231080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 14437, 17560, 28874, 57748, 72185, 115496, 144370, 288740, 577480, 6337843, 12675686, 25351372, 31689215, 50702744, 63378430, 126756860, 253513720]

約数ペア:

[(1, 253513720), (2, 126756860), (4, 63378430), (5, 50702744), (8, 31689215), (10, 25351372), (20, 12675686), (40, 6337843), (439, 577480), (878, 288740), (1756, 144370), (2195, 115496), (3512, 72185), (4390, 57748), (8780, 28874), (14437, 17560)]