245340440

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{11213}}^1$

素因数の和:11771

約数の個数: 32

約数和(自身を含む): 553074480

約数和(自身を除く): 307734040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2735, 4376, 5470, 10940, 11213, 21880, 22426, 44852, 56065, 89704, 112130, 224260, 448520, 6133511, 12267022, 24534044, 30667555, 49068088, 61335110, 122670220, 245340440]

約数ペア:

[(1, 245340440), (2, 122670220), (4, 61335110), (5, 49068088), (8, 30667555), (10, 24534044), (20, 12267022), (40, 6133511), (547, 448520), (1094, 224260), (2188, 112130), (2735, 89704), (4376, 56065), (5470, 44852), (10940, 22426), (11213, 21880)]