2019241490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{40801}}^1$

素因数の和:40923

約数の個数: 48

約数和(自身を含む): 4270010904

約数和(自身を除く): 2250769414

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 101, 202, 245, 490, 505, 707, 1010, 1414, 3535, 4949, 7070, 9898, 24745, 40801, 49490, 81602, 204005, 285607, 408010, 571214, 1428035, 1999249, 2856070, 3998498, 4120901, 8241802, 9996245, 19992490, 20604505, 28846307, 41209010, 57692614, 144231535, 201924149, 288463070, 403848298, 1009620745, 2019241490]

約数ペア:

[(1, 2019241490), (2, 1009620745), (5, 403848298), (7, 288463070), (10, 201924149), (14, 144231535), (35, 57692614), (49, 41209010), (70, 28846307), (98, 20604505), (101, 19992490), (202, 9996245), (245, 8241802), (490, 4120901), (505, 3998498), (707, 2856070), (1010, 1999249), (1414, 1428035), (3535, 571214), (4949, 408010), (7070, 285607), (9898, 204005), (24745, 81602), (40801, 49490)]