91713020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2549}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 221054400

約数和(自身を除く): 129341380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2549, 2570, 3598, 5098, 5140, 7196, 8995, 10196, 12745, 17843, 17990, 25490, 35686, 35980, 50980, 71372, 89215, 178430, 356860, 655093, 1310186, 2620372, 3275465, 4585651, 6550930, 9171302, 13101860, 18342604, 22928255, 45856510, 91713020]

約数ペア:

[(1, 91713020), (2, 45856510), (4, 22928255), (5, 18342604), (7, 13101860), (10, 9171302), (14, 6550930), (20, 4585651), (28, 3275465), (35, 2620372), (70, 1310186), (140, 655093), (257, 356860), (514, 178430), (1028, 89215), (1285, 71372), (1799, 50980), (2549, 35980), (2570, 35686), (3598, 25490), (5098, 17990), (5140, 17843), (7196, 12745), (8995, 10196)]