28275870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4643}}^1$

素因数の和:4689

約数の個数: 64

約数和(自身を含む): 80248320

約数和(自身を除く): 51972450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 4643, 6090, 9286, 13929, 23215, 27858, 32501, 46430, 65002, 69645, 97503, 134647, 139290, 162505, 195006, 269294, 325010, 403941, 487515, 673235, 807882, 942529, 975030, 1346470, 1885058, 2019705, 2827587, 4039410, 4712645, 5655174, 9425290, 14137935, 28275870]

約数ペア:

[(1, 28275870), (2, 14137935), (3, 9425290), (5, 5655174), (6, 4712645), (7, 4039410), (10, 2827587), (14, 2019705), (15, 1885058), (21, 1346470), (29, 975030), (30, 942529), (35, 807882), (42, 673235), (58, 487515), (70, 403941), (87, 325010), (105, 269294), (145, 195006), (174, 162505), (203, 139290), (210, 134647), (290, 97503), (406, 69645), (435, 65002), (609, 46430), (870, 32501), (1015, 27858), (1218, 23215), (2030, 13929), (3045, 9286), (4643, 6090)]