28689990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{673}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 82982880

約数和(自身を除く): 54292890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 245, 290, 294, 406, 435, 490, 609, 673, 735, 870, 1015, 1218, 1346, 1421, 1470, 2019, 2030, 2842, 3045, 3365, 4038, 4263, 4711, 6090, 6730, 7105, 8526, 9422, 10095, 14133, 14210, 19517, 20190, 21315, 23555, 28266, 32977, 39034, 42630, 47110, 58551, 65954, 70665, 97585, 98931, 117102, 136619, 141330, 164885, 195170, 197862, 273238, 292755, 329770, 409857, 494655, 585510, 683095, 819714, 956333, 989310, 1366190, 1912666, 2049285, 2868999, 4098570, 4781665, 5737998, 9563330, 14344995, 28689990]

約数ペア:

[(1, 28689990), (2, 14344995), (3, 9563330), (5, 5737998), (6, 4781665), (7, 4098570), (10, 2868999), (14, 2049285), (15, 1912666), (21, 1366190), (29, 989310), (30, 956333), (35, 819714), (42, 683095), (49, 585510), (58, 494655), (70, 409857), (87, 329770), (98, 292755), (105, 273238), (145, 197862), (147, 195170), (174, 164885), (203, 141330), (210, 136619), (245, 117102), (290, 98931), (294, 97585), (406, 70665), (435, 65954), (490, 58551), (609, 47110), (673, 42630), (735, 39034), (870, 32977), (1015, 28266), (1218, 23555), (1346, 21315), (1421, 20190), (1470, 19517), (2019, 14210), (2030, 14133), (2842, 10095), (3045, 9422), (3365, 8526), (4038, 7105), (4263, 6730), (4711, 6090)]