1799646920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{4217}}^1$

素因数の和:4502

約数の個数: 64

約数和(自身を含む): 4154561280

約数和(自身を除く): 2354914360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 227, 235, 376, 454, 470, 908, 940, 1135, 1816, 1880, 2270, 4217, 4540, 8434, 9080, 10669, 16868, 21085, 21338, 33736, 42170, 42676, 53345, 84340, 85352, 106690, 168680, 198199, 213380, 396398, 426760, 792796, 957259, 990995, 1585592, 1914518, 1981990, 3829036, 3963980, 4786295, 7658072, 7927960, 9572590, 19145180, 38290360, 44991173, 89982346, 179964692, 224955865, 359929384, 449911730, 899823460, 1799646920]

約数ペア:

[(1, 1799646920), (2, 899823460), (4, 449911730), (5, 359929384), (8, 224955865), (10, 179964692), (20, 89982346), (40, 44991173), (47, 38290360), (94, 19145180), (188, 9572590), (227, 7927960), (235, 7658072), (376, 4786295), (454, 3963980), (470, 3829036), (908, 1981990), (940, 1914518), (1135, 1585592), (1816, 990995), (1880, 957259), (2270, 792796), (4217, 426760), (4540, 396398), (8434, 213380), (9080, 198199), (10669, 168680), (16868, 106690), (21085, 85352), (21338, 84340), (33736, 53345), (42170, 42676)]