201495220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5437}}^1$

素因数の和:5572

約数の個数: 48

約数和(自身を含む): 452224080

約数和(自身を除く): 250728860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 5437, 7412, 9265, 10874, 18530, 21748, 27185, 37060, 54370, 92429, 108740, 184858, 369716, 462145, 592633, 924290, 1185266, 1848580, 2370532, 2963165, 5926330, 10074761, 11852660, 20149522, 40299044, 50373805, 100747610, 201495220]

約数ペア:

[(1, 201495220), (2, 100747610), (4, 50373805), (5, 40299044), (10, 20149522), (17, 11852660), (20, 10074761), (34, 5926330), (68, 2963165), (85, 2370532), (109, 1848580), (170, 1185266), (218, 924290), (340, 592633), (436, 462145), (545, 369716), (1090, 184858), (1853, 108740), (2180, 92429), (3706, 54370), (5437, 37060), (7412, 27185), (9265, 21748), (10874, 18530)]