4646840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 7017160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 179, 220, 236, 295, 358, 440, 472, 590, 649, 716, 895, 1180, 1298, 1432, 1790, 1969, 2360, 2596, 3245, 3580, 3938, 5192, 6490, 7160, 7876, 9845, 10561, 12980, 15752, 19690, 21122, 25960, 39380, 42244, 52805, 78760, 84488, 105610, 116171, 211220, 232342, 422440, 464684, 580855, 929368, 1161710, 2323420, 4646840]

約数ペア:

[(1, 4646840), (2, 2323420), (4, 1161710), (5, 929368), (8, 580855), (10, 464684), (11, 422440), (20, 232342), (22, 211220), (40, 116171), (44, 105610), (55, 84488), (59, 78760), (88, 52805), (110, 42244), (118, 39380), (179, 25960), (220, 21122), (236, 19690), (295, 15752), (358, 12980), (440, 10561), (472, 9845), (590, 7876), (649, 7160), (716, 6490), (895, 5192), (1180, 3938), (1298, 3580), (1432, 3245), (1790, 2596), (1969, 2360)]