28889960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 96

約数和(自身を含む): 73543680

約数和(自身を除く): 44653720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 121, 127, 188, 220, 235, 242, 254, 376, 440, 470, 484, 508, 517, 605, 635, 940, 968, 1016, 1034, 1210, 1270, 1397, 1880, 2068, 2420, 2540, 2585, 2794, 4136, 4840, 5080, 5170, 5588, 5687, 5969, 6985, 10340, 11176, 11374, 11938, 13970, 15367, 20680, 22748, 23876, 27940, 28435, 29845, 30734, 45496, 47752, 55880, 56870, 59690, 61468, 65659, 76835, 113740, 119380, 122936, 131318, 153670, 227480, 238760, 262636, 307340, 328295, 525272, 614680, 656590, 722249, 1313180, 1444498, 2626360, 2888996, 3611245, 5777992, 7222490, 14444980, 28889960]

約数ペア:

[(1, 28889960), (2, 14444980), (4, 7222490), (5, 5777992), (8, 3611245), (10, 2888996), (11, 2626360), (20, 1444498), (22, 1313180), (40, 722249), (44, 656590), (47, 614680), (55, 525272), (88, 328295), (94, 307340), (110, 262636), (121, 238760), (127, 227480), (188, 153670), (220, 131318), (235, 122936), (242, 119380), (254, 113740), (376, 76835), (440, 65659), (470, 61468), (484, 59690), (508, 56870), (517, 55880), (605, 47752), (635, 45496), (940, 30734), (968, 29845), (1016, 28435), (1034, 27940), (1210, 23876), (1270, 22748), (1397, 20680), (1880, 15367), (2068, 13970), (2420, 11938), (2540, 11374), (2585, 11176), (2794, 10340), (4136, 6985), (4840, 5969), (5080, 5687), (5170, 5588)]