4477220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 10499328

約数和(自身を除く): 6022108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 433, 470, 517, 866, 940, 1034, 1732, 2068, 2165, 2585, 4330, 4763, 5170, 8660, 9526, 10340, 19052, 20351, 23815, 40702, 47630, 81404, 95260, 101755, 203510, 223861, 407020, 447722, 895444, 1119305, 2238610, 4477220]

約数ペア:

[(1, 4477220), (2, 2238610), (4, 1119305), (5, 895444), (10, 447722), (11, 407020), (20, 223861), (22, 203510), (44, 101755), (47, 95260), (55, 81404), (94, 47630), (110, 40702), (188, 23815), (220, 20351), (235, 19052), (433, 10340), (470, 9526), (517, 8660), (866, 5170), (940, 4763), (1034, 4330), (1732, 2585), (2068, 2165)]