387784960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 1001331072

約数和(自身を除く): 613546112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 71, 80, 85, 128, 136, 142, 160, 170, 251, 256, 272, 284, 320, 340, 355, 502, 544, 568, 640, 680, 710, 1004, 1088, 1136, 1207, 1255, 1280, 1360, 1420, 2008, 2176, 2272, 2414, 2510, 2720, 2840, 4016, 4267, 4352, 4544, 4828, 5020, 5440, 5680, 6035, 8032, 8534, 9088, 9656, 10040, 10880, 11360, 12070, 16064, 17068, 17821, 18176, 19312, 20080, 21335, 21760, 22720, 24140, 32128, 34136, 35642, 38624, 40160, 42670, 45440, 48280, 64256, 68272, 71284, 77248, 80320, 85340, 89105, 90880, 96560, 136544, 142568, 154496, 160640, 170680, 178210, 193120, 273088, 285136, 302957, 308992, 321280, 341360, 356420, 386240, 546176, 570272, 605914, 682720, 712840, 772480, 1092352, 1140544, 1211828, 1365440, 1425680, 1514785, 1544960, 2281088, 2423656, 2730880, 2851360, 3029570, 4562176, 4847312, 5461760, 5702720, 6059140, 9694624, 11405440, 12118280, 19389248, 22810880, 24236560, 38778496, 48473120, 77556992, 96946240, 193892480, 387784960]

約数ペア:

[(1, 387784960), (2, 193892480), (4, 96946240), (5, 77556992), (8, 48473120), (10, 38778496), (16, 24236560), (17, 22810880), (20, 19389248), (32, 12118280), (34, 11405440), (40, 9694624), (64, 6059140), (68, 5702720), (71, 5461760), (80, 4847312), (85, 4562176), (128, 3029570), (136, 2851360), (142, 2730880), (160, 2423656), (170, 2281088), (251, 1544960), (256, 1514785), (272, 1425680), (284, 1365440), (320, 1211828), (340, 1140544), (355, 1092352), (502, 772480), (544, 712840), (568, 682720), (640, 605914), (680, 570272), (710, 546176), (1004, 386240), (1088, 356420), (1136, 341360), (1207, 321280), (1255, 308992), (1280, 302957), (1360, 285136), (1420, 273088), (2008, 193120), (2176, 178210), (2272, 170680), (2414, 160640), (2510, 154496), (2720, 142568), (2840, 136544), (4016, 96560), (4267, 90880), (4352, 89105), (4544, 85340), (4828, 80320), (5020, 77248), (5440, 71284), (5680, 68272), (6035, 64256), (8032, 48280), (8534, 45440), (9088, 42670), (9656, 40160), (10040, 38624), (10880, 35642), (11360, 34136), (12070, 32128), (16064, 24140), (17068, 22720), (17821, 21760), (18176, 21335), (19312, 20080)]