389962560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31247}}^1$

素因数の和:31280

約数の個数: 112

約数和(自身を含む): 1333414656

約数和(自身を除く): 943452096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 31247, 62494, 93741, 124988, 156235, 187482, 249976, 312470, 374964, 406211, 468705, 499952, 624940, 749928, 812422, 937410, 999904, 1218633, 1249880, 1499856, 1624844, 1874820, 1999808, 2031055, 2437266, 2499760, 2999712, 3249688, 3749640, 4062110, 4874532, 4999520, 5999424, 6093165, 6499376, 7499280, 8124220, 9749064, 9999040, 12186330, 12998752, 14998560, 16248440, 19498128, 24372660, 25997504, 29997120, 32496880, 38996256, 48745320, 64993760, 77992512, 97490640, 129987520, 194981280, 389962560]

約数ペア:

[(1, 389962560), (2, 194981280), (3, 129987520), (4, 97490640), (5, 77992512), (6, 64993760), (8, 48745320), (10, 38996256), (12, 32496880), (13, 29997120), (15, 25997504), (16, 24372660), (20, 19498128), (24, 16248440), (26, 14998560), (30, 12998752), (32, 12186330), (39, 9999040), (40, 9749064), (48, 8124220), (52, 7499280), (60, 6499376), (64, 6093165), (65, 5999424), (78, 4999520), (80, 4874532), (96, 4062110), (104, 3749640), (120, 3249688), (130, 2999712), (156, 2499760), (160, 2437266), (192, 2031055), (195, 1999808), (208, 1874820), (240, 1624844), (260, 1499856), (312, 1249880), (320, 1218633), (390, 999904), (416, 937410), (480, 812422), (520, 749928), (624, 624940), (780, 499952), (832, 468705), (960, 406211), (1040, 374964), (1248, 312470), (1560, 249976), (2080, 187482), (2496, 156235), (3120, 124988), (4160, 93741), (6240, 62494), (12480, 31247)]