27684520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 66600000

約数和(自身を除く): 38915480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 499, 584, 730, 760, 998, 1387, 1460, 1996, 2495, 2774, 2920, 3992, 4990, 5548, 6935, 9481, 9980, 11096, 13870, 18962, 19960, 27740, 36427, 37924, 47405, 55480, 72854, 75848, 94810, 145708, 182135, 189620, 291416, 364270, 379240, 692113, 728540, 1384226, 1457080, 2768452, 3460565, 5536904, 6921130, 13842260, 27684520]

約数ペア:

[(1, 27684520), (2, 13842260), (4, 6921130), (5, 5536904), (8, 3460565), (10, 2768452), (19, 1457080), (20, 1384226), (38, 728540), (40, 692113), (73, 379240), (76, 364270), (95, 291416), (146, 189620), (152, 182135), (190, 145708), (292, 94810), (365, 75848), (380, 72854), (499, 55480), (584, 47405), (730, 37924), (760, 36427), (998, 27740), (1387, 19960), (1460, 18962), (1996, 13870), (2495, 11096), (2774, 9980), (2920, 9481), (3992, 6935), (4990, 5548)]