243157040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{434209}}^1$

素因数の和:434229

約数の個数: 40

約数和(自身を含む): 646104480

約数和(自身を除く): 402947440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 434209, 868418, 1736836, 2171045, 3039463, 3473672, 4342090, 6078926, 6947344, 8684180, 12157852, 15197315, 17368360, 24315704, 30394630, 34736720, 48631408, 60789260, 121578520, 243157040]

約数ペア:

[(1, 243157040), (2, 121578520), (4, 60789260), (5, 48631408), (7, 34736720), (8, 30394630), (10, 24315704), (14, 17368360), (16, 15197315), (20, 12157852), (28, 8684180), (35, 6947344), (40, 6078926), (56, 4342090), (70, 3473672), (80, 3039463), (112, 2171045), (140, 1736836), (280, 868418), (560, 434209)]