2018663480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1\times {\mathrm{1171}}^1$

素因数の和:1860

約数の個数: 64

約数和(自身を含む): 4617492480

約数和(自身を除く): 2598829000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 607, 710, 1171, 1214, 1420, 2342, 2428, 2840, 3035, 4684, 4856, 5855, 6070, 9368, 11710, 12140, 23420, 24280, 43097, 46840, 83141, 86194, 166282, 172388, 215485, 332564, 344776, 415705, 430970, 665128, 710797, 831410, 861940, 1421594, 1662820, 1723880, 2843188, 3325640, 3553985, 5686376, 7107970, 14215940, 28431880, 50466587, 100933174, 201866348, 252332935, 403732696, 504665870, 1009331740, 2018663480]

約数ペア:

[(1, 2018663480), (2, 1009331740), (4, 504665870), (5, 403732696), (8, 252332935), (10, 201866348), (20, 100933174), (40, 50466587), (71, 28431880), (142, 14215940), (284, 7107970), (355, 5686376), (568, 3553985), (607, 3325640), (710, 2843188), (1171, 1723880), (1214, 1662820), (1420, 1421594), (2342, 861940), (2428, 831410), (2840, 710797), (3035, 665128), (4684, 430970), (4856, 415705), (5855, 344776), (6070, 332564), (9368, 215485), (11710, 172388), (12140, 166282), (23420, 86194), (24280, 83141), (43097, 46840)]