220644112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1872

約数の個数: 80

約数和(自身を含む): 500523520

約数和(自身を除く): 279879408

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1801, 1976, 2356, 3224, 3602, 3952, 4712, 6448, 7204, 7657, 9424, 14408, 15314, 23413, 28816, 30628, 34219, 46826, 55831, 61256, 68438, 93652, 111662, 122512, 136876, 187304, 223324, 273752, 374608, 444847, 446648, 547504, 725803, 889694, 893296, 1060789, 1451606, 1779388, 2121578, 2903212, 3558776, 4243156, 5806424, 7117552, 8486312, 11612848, 13790257, 16972624, 27580514, 55161028, 110322056, 220644112]

約数ペア:

[(1, 220644112), (2, 110322056), (4, 55161028), (8, 27580514), (13, 16972624), (16, 13790257), (19, 11612848), (26, 8486312), (31, 7117552), (38, 5806424), (52, 4243156), (62, 3558776), (76, 2903212), (104, 2121578), (124, 1779388), (152, 1451606), (208, 1060789), (247, 893296), (248, 889694), (304, 725803), (403, 547504), (494, 446648), (496, 444847), (589, 374608), (806, 273752), (988, 223324), (1178, 187304), (1612, 136876), (1801, 122512), (1976, 111662), (2356, 93652), (3224, 68438), (3602, 61256), (3952, 55831), (4712, 46826), (6448, 34219), (7204, 30628), (7657, 28816), (9424, 23413), (14408, 15314)]