178284460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2063}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 390096000

約数和(自身を除く): 211811540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 290, 298, 580, 596, 745, 1490, 2063, 2980, 4126, 4321, 8252, 8642, 10315, 17284, 20630, 21605, 41260, 43210, 59827, 86420, 119654, 239308, 299135, 307387, 598270, 614774, 1196540, 1229548, 1536935, 3073870, 6147740, 8914223, 17828446, 35656892, 44571115, 89142230, 178284460]

約数ペア:

[(1, 178284460), (2, 89142230), (4, 44571115), (5, 35656892), (10, 17828446), (20, 8914223), (29, 6147740), (58, 3073870), (116, 1536935), (145, 1229548), (149, 1196540), (290, 614774), (298, 598270), (580, 307387), (596, 299135), (745, 239308), (1490, 119654), (2063, 86420), (2980, 59827), (4126, 43210), (4321, 41260), (8252, 21605), (8642, 20630), (10315, 17284)]