2029090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 4395384

約数和(自身を除く): 2366294

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 101, 202, 205, 245, 287, 410, 490, 505, 574, 707, 1010, 1414, 1435, 2009, 2870, 3535, 4018, 4141, 4949, 7070, 8282, 9898, 10045, 20090, 20705, 24745, 28987, 41410, 49490, 57974, 144935, 202909, 289870, 405818, 1014545, 2029090]

約数ペア:

[(1, 2029090), (2, 1014545), (5, 405818), (7, 289870), (10, 202909), (14, 144935), (35, 57974), (41, 49490), (49, 41410), (70, 28987), (82, 24745), (98, 20705), (101, 20090), (202, 10045), (205, 9898), (245, 8282), (287, 7070), (410, 4949), (490, 4141), (505, 4018), (574, 3535), (707, 2870), (1010, 2009), (1414, 1435)]