179975260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2910

約数の個数: 48

約数和(自身を含む): 402361344

約数和(自身を除く): 222386084

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 197, 340, 394, 788, 985, 1970, 2687, 3349, 3940, 5374, 6698, 10748, 13396, 13435, 16745, 26870, 33490, 45679, 53740, 66980, 91358, 182716, 228395, 456790, 529339, 913580, 1058678, 2117356, 2646695, 5293390, 8998763, 10586780, 17997526, 35995052, 44993815, 89987630, 179975260]

約数ペア:

[(1, 179975260), (2, 89987630), (4, 44993815), (5, 35995052), (10, 17997526), (17, 10586780), (20, 8998763), (34, 5293390), (68, 2646695), (85, 2117356), (170, 1058678), (197, 913580), (340, 529339), (394, 456790), (788, 228395), (985, 182716), (1970, 91358), (2687, 66980), (3349, 53740), (3940, 45679), (5374, 33490), (6698, 26870), (10748, 16745), (13396, 13435)]