20162844100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{13441}}^1$

素因数の和:15605

約数の個数: 72

約数和(自身を含む): 50030908928

約数和(自身を除く): 29868064828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 2143, 4286, 8572, 10715, 13441, 15001, 21430, 26882, 30002, 42860, 53575, 53764, 60004, 67205, 75005, 94087, 107150, 134410, 150010, 188174, 214300, 268820, 300020, 336025, 375025, 376348, 470435, 672050, 750050, 940870, 1344100, 1500100, 1881740, 2352175, 4704350, 9408700, 28804063, 57608126, 115216252, 144020315, 201628441, 288040630, 403256882, 576081260, 720101575, 806513764, 1008142205, 1440203150, 2016284410, 2880406300, 4032568820, 5040711025, 10081422050, 20162844100]

約数ペア:

[(1, 20162844100), (2, 10081422050), (4, 5040711025), (5, 4032568820), (7, 2880406300), (10, 2016284410), (14, 1440203150), (20, 1008142205), (25, 806513764), (28, 720101575), (35, 576081260), (50, 403256882), (70, 288040630), (100, 201628441), (140, 144020315), (175, 115216252), (350, 57608126), (700, 28804063), (2143, 9408700), (4286, 4704350), (8572, 2352175), (10715, 1881740), (13441, 1500100), (15001, 1344100), (21430, 940870), (26882, 750050), (30002, 672050), (42860, 470435), (53575, 376348), (53764, 375025), (60004, 336025), (67205, 300020), (75005, 268820), (94087, 214300), (107150, 188174), (134410, 150010)]