129789440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^2\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 120

約数和(自身を含む): 342868680

約数和(自身を除く): 213079240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 419, 440, 484, 512, 605, 640, 704, 838, 880, 968, 1210, 1280, 1408, 1676, 1760, 1936, 2095, 2420, 2560, 2816, 3352, 3520, 3872, 4190, 4609, 4840, 5632, 6704, 7040, 7744, 8380, 9218, 9680, 13408, 14080, 15488, 16760, 18436, 19360, 23045, 26816, 28160, 30976, 33520, 36872, 38720, 46090, 50699, 53632, 61952, 67040, 73744, 77440, 92180, 101398, 107264, 134080, 147488, 154880, 184360, 202796, 214528, 253495, 268160, 294976, 309760, 368720, 405592, 506990, 536320, 589952, 737440, 811184, 1013980, 1072640, 1179904, 1474880, 1622368, 2027960, 2359808, 2949760, 3244736, 4055920, 5899520, 6489472, 8111840, 11799040, 12978944, 16223680, 25957888, 32447360, 64894720, 129789440]

約数ペア:

[(1, 129789440), (2, 64894720), (4, 32447360), (5, 25957888), (8, 16223680), (10, 12978944), (11, 11799040), (16, 8111840), (20, 6489472), (22, 5899520), (32, 4055920), (40, 3244736), (44, 2949760), (55, 2359808), (64, 2027960), (80, 1622368), (88, 1474880), (110, 1179904), (121, 1072640), (128, 1013980), (160, 811184), (176, 737440), (220, 589952), (242, 536320), (256, 506990), (320, 405592), (352, 368720), (419, 309760), (440, 294976), (484, 268160), (512, 253495), (605, 214528), (640, 202796), (704, 184360), (838, 154880), (880, 147488), (968, 134080), (1210, 107264), (1280, 101398), (1408, 92180), (1676, 77440), (1760, 73744), (1936, 67040), (2095, 61952), (2420, 53632), (2560, 50699), (2816, 46090), (3352, 38720), (3520, 36872), (3872, 33520), (4190, 30976), (4609, 28160), (4840, 26816), (5632, 23045), (6704, 19360), (7040, 18436), (7744, 16760), (8380, 15488), (9218, 14080), (9680, 13408)]