205819180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1639

約数の個数: 96

約数和(自身を含む): 528353280

約数和(自身を除く): 322534100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 115, 140, 161, 164, 205, 230, 287, 322, 410, 460, 574, 644, 805, 820, 943, 1148, 1435, 1559, 1610, 1886, 2870, 3118, 3220, 3772, 4715, 5740, 6236, 6601, 7795, 9430, 10913, 13202, 15590, 18860, 21826, 26404, 31180, 33005, 35857, 43652, 54565, 63919, 66010, 71714, 109130, 127838, 132020, 143428, 179285, 218260, 250999, 255676, 319595, 358570, 447433, 501998, 639190, 717140, 894866, 1003996, 1254995, 1278380, 1470137, 1789732, 2237165, 2509990, 2940274, 4474330, 5019980, 5880548, 7350685, 8948660, 10290959, 14701370, 20581918, 29402740, 41163836, 51454795, 102909590, 205819180]

約数ペア:

[(1, 205819180), (2, 102909590), (4, 51454795), (5, 41163836), (7, 29402740), (10, 20581918), (14, 14701370), (20, 10290959), (23, 8948660), (28, 7350685), (35, 5880548), (41, 5019980), (46, 4474330), (70, 2940274), (82, 2509990), (92, 2237165), (115, 1789732), (140, 1470137), (161, 1278380), (164, 1254995), (205, 1003996), (230, 894866), (287, 717140), (322, 639190), (410, 501998), (460, 447433), (574, 358570), (644, 319595), (805, 255676), (820, 250999), (943, 218260), (1148, 179285), (1435, 143428), (1559, 132020), (1610, 127838), (1886, 109130), (2870, 71714), (3118, 66010), (3220, 63919), (3772, 54565), (4715, 43652), (5740, 35857), (6236, 33005), (6601, 31180), (7795, 26404), (9430, 21826), (10913, 18860), (13202, 15590)]