11715220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 27885312

約数和(自身を除く): 16170092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 103, 110, 121, 188, 206, 220, 235, 242, 412, 470, 484, 515, 517, 605, 940, 1030, 1034, 1133, 1210, 2060, 2068, 2266, 2420, 2585, 4532, 4841, 5170, 5665, 5687, 9682, 10340, 11330, 11374, 12463, 19364, 22660, 22748, 24205, 24926, 28435, 48410, 49852, 53251, 56870, 62315, 96820, 106502, 113740, 124630, 213004, 249260, 266255, 532510, 585761, 1065020, 1171522, 2343044, 2928805, 5857610, 11715220]

約数ペア:

[(1, 11715220), (2, 5857610), (4, 2928805), (5, 2343044), (10, 1171522), (11, 1065020), (20, 585761), (22, 532510), (44, 266255), (47, 249260), (55, 213004), (94, 124630), (103, 113740), (110, 106502), (121, 96820), (188, 62315), (206, 56870), (220, 53251), (235, 49852), (242, 48410), (412, 28435), (470, 24926), (484, 24205), (515, 22748), (517, 22660), (605, 19364), (940, 12463), (1030, 11374), (1034, 11330), (1133, 10340), (1210, 9682), (2060, 5687), (2068, 5665), (2266, 5170), (2420, 4841), (2585, 4532)]