19670000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{281}}^1$

素因数の和:316

約数の個数: 100

約数和(自身を含む): 54620016

約数和(自身を除く): 34950016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 281, 350, 400, 500, 560, 562, 625, 700, 875, 1000, 1124, 1250, 1400, 1405, 1750, 1967, 2000, 2248, 2500, 2800, 2810, 3500, 3934, 4375, 4496, 5000, 5620, 7000, 7025, 7868, 8750, 9835, 10000, 11240, 14000, 14050, 15736, 17500, 19670, 22480, 28100, 31472, 35000, 35125, 39340, 49175, 56200, 70000, 70250, 78680, 98350, 112400, 140500, 157360, 175625, 196700, 245875, 281000, 351250, 393400, 491750, 562000, 702500, 786800, 983500, 1229375, 1405000, 1967000, 2458750, 2810000, 3934000, 4917500, 9835000, 19670000]

約数ペア:

[(1, 19670000), (2, 9835000), (4, 4917500), (5, 3934000), (7, 2810000), (8, 2458750), (10, 1967000), (14, 1405000), (16, 1229375), (20, 983500), (25, 786800), (28, 702500), (35, 562000), (40, 491750), (50, 393400), (56, 351250), (70, 281000), (80, 245875), (100, 196700), (112, 175625), (125, 157360), (140, 140500), (175, 112400), (200, 98350), (250, 78680), (280, 70250), (281, 70000), (350, 56200), (400, 49175), (500, 39340), (560, 35125), (562, 35000), (625, 31472), (700, 28100), (875, 22480), (1000, 19670), (1124, 17500), (1250, 15736), (1400, 14050), (1405, 14000), (1750, 11240), (1967, 10000), (2000, 9835), (2248, 8750), (2500, 7868), (2800, 7025), (2810, 7000), (3500, 5620), (3934, 5000), (4375, 4496)]