218691320

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{188527}}^1$

素因数の和:188567

約数の個数: 32

約数和(自身を含む): 509025600

約数和(自身を除く): 290334280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 188527, 377054, 754108, 942635, 1508216, 1885270, 3770540, 5467283, 7541080, 10934566, 21869132, 27336415, 43738264, 54672830, 109345660, 218691320]

約数ペア:

[(1, 218691320), (2, 109345660), (4, 54672830), (5, 43738264), (8, 27336415), (10, 21869132), (20, 10934566), (29, 7541080), (40, 5467283), (58, 3770540), (116, 1885270), (145, 1508216), (232, 942635), (290, 754108), (580, 377054), (1160, 188527)]