31918670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 70087680

約数和(自身を除く): 38169010

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 103, 133, 190, 206, 233, 266, 466, 515, 665, 721, 1030, 1165, 1330, 1442, 1631, 1957, 2330, 3262, 3605, 3914, 4427, 7210, 8155, 8854, 9785, 13699, 16310, 19570, 22135, 23999, 27398, 30989, 44270, 47998, 61978, 68495, 119995, 136990, 154945, 167993, 239990, 309890, 335986, 455981, 839965, 911962, 1679930, 2279905, 3191867, 4559810, 6383734, 15959335, 31918670]

約数ペア:

[(1, 31918670), (2, 15959335), (5, 6383734), (7, 4559810), (10, 3191867), (14, 2279905), (19, 1679930), (35, 911962), (38, 839965), (70, 455981), (95, 335986), (103, 309890), (133, 239990), (190, 167993), (206, 154945), (233, 136990), (266, 119995), (466, 68495), (515, 61978), (665, 47998), (721, 44270), (1030, 30989), (1165, 27398), (1330, 23999), (1442, 22135), (1631, 19570), (1957, 16310), (2330, 13699), (3262, 9785), (3605, 8854), (3914, 8155), (4427, 7210)]