84508820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{743}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 199487232

約数和(自身を除く): 114978412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 121, 188, 220, 235, 242, 470, 484, 517, 605, 743, 940, 1034, 1210, 1486, 2068, 2420, 2585, 2972, 3715, 5170, 5687, 7430, 8173, 10340, 11374, 14860, 16346, 22748, 28435, 32692, 34921, 40865, 56870, 69842, 81730, 89903, 113740, 139684, 163460, 174605, 179806, 349210, 359612, 384131, 449515, 698420, 768262, 899030, 1536524, 1798060, 1920655, 3841310, 4225441, 7682620, 8450882, 16901764, 21127205, 42254410, 84508820]

約数ペア:

[(1, 84508820), (2, 42254410), (4, 21127205), (5, 16901764), (10, 8450882), (11, 7682620), (20, 4225441), (22, 3841310), (44, 1920655), (47, 1798060), (55, 1536524), (94, 899030), (110, 768262), (121, 698420), (188, 449515), (220, 384131), (235, 359612), (242, 349210), (470, 179806), (484, 174605), (517, 163460), (605, 139684), (743, 113740), (940, 89903), (1034, 81730), (1210, 69842), (1486, 56870), (2068, 40865), (2420, 34921), (2585, 32692), (2972, 28435), (3715, 22748), (5170, 16346), (5687, 14860), (7430, 11374), (8173, 10340)]