200705980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1433}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 433641600

約数和(自身を除く): 232935620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 596, 745, 940, 1433, 1490, 2866, 2980, 5732, 7003, 7165, 14006, 14330, 28012, 28660, 35015, 67351, 70030, 134702, 140060, 213517, 269404, 336755, 427034, 673510, 854068, 1067585, 1347020, 2135170, 4270340, 10035299, 20070598, 40141196, 50176495, 100352990, 200705980]

約数ペア:

[(1, 200705980), (2, 100352990), (4, 50176495), (5, 40141196), (10, 20070598), (20, 10035299), (47, 4270340), (94, 2135170), (149, 1347020), (188, 1067585), (235, 854068), (298, 673510), (470, 427034), (596, 336755), (745, 269404), (940, 213517), (1433, 140060), (1490, 134702), (2866, 70030), (2980, 67351), (5732, 35015), (7003, 28660), (7165, 28012), (14006, 14330)]