28147360

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43702880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 197, 235, 304, 376, 380, 394, 470, 608, 752, 760, 788, 893, 940, 985, 1504, 1520, 1576, 1786, 1880, 1970, 3040, 3152, 3572, 3743, 3760, 3940, 4465, 6304, 7144, 7486, 7520, 7880, 8930, 9259, 14288, 14972, 15760, 17860, 18518, 18715, 28576, 29944, 31520, 35720, 37036, 37430, 46295, 59888, 71440, 74072, 74860, 92590, 119776, 142880, 148144, 149720, 175921, 185180, 296288, 299440, 351842, 370360, 598880, 703684, 740720, 879605, 1407368, 1481440, 1759210, 2814736, 3518420, 5629472, 7036840, 14073680, 28147360]

約数ペア:

[(1, 28147360), (2, 14073680), (4, 7036840), (5, 5629472), (8, 3518420), (10, 2814736), (16, 1759210), (19, 1481440), (20, 1407368), (32, 879605), (38, 740720), (40, 703684), (47, 598880), (76, 370360), (80, 351842), (94, 299440), (95, 296288), (152, 185180), (160, 175921), (188, 149720), (190, 148144), (197, 142880), (235, 119776), (304, 92590), (376, 74860), (380, 74072), (394, 71440), (470, 59888), (608, 46295), (752, 37430), (760, 37036), (788, 35720), (893, 31520), (940, 29944), (985, 28576), (1504, 18715), (1520, 18518), (1576, 17860), (1786, 15760), (1880, 14972), (1970, 14288), (3040, 9259), (3152, 8930), (3572, 7880), (3743, 7520), (3760, 7486), (3940, 7144), (4465, 6304)]