216561680

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{6029}}^1$

素因数の和:6491

約数の個数: 40

約数和(自身を含む): 504711000

約数和(自身を除く): 288149320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1796, 2245, 3592, 4490, 6029, 7184, 8980, 12058, 17960, 24116, 30145, 35920, 48232, 60290, 96464, 120580, 241160, 482320, 2707021, 5414042, 10828084, 13535105, 21656168, 27070210, 43312336, 54140420, 108280840, 216561680]

約数ペア:

[(1, 216561680), (2, 108280840), (4, 54140420), (5, 43312336), (8, 27070210), (10, 21656168), (16, 13535105), (20, 10828084), (40, 5414042), (80, 2707021), (449, 482320), (898, 241160), (1796, 120580), (2245, 96464), (3592, 60290), (4490, 48232), (6029, 35920), (7184, 30145), (8980, 24116), (12058, 17960)]