2783135480

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{449}}^1\times {\mathrm{643}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 6311844000

約数和(自身を除く): 3528708520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 449, 482, 643, 898, 964, 1205, 1286, 1796, 1928, 2245, 2410, 2572, 3215, 3592, 4490, 4820, 5144, 6430, 8980, 9640, 12860, 17960, 25720, 108209, 154963, 216418, 288707, 309926, 432836, 541045, 577414, 619852, 774815, 865672, 1082090, 1154828, 1239704, 1443535, 1549630, 2164180, 2309656, 2887070, 3099260, 4328360, 5774140, 6198520, 11548280, 69578387, 139156774, 278313548, 347891935, 556627096, 695783870, 1391567740, 2783135480]

約数ペア:

[(1, 2783135480), (2, 1391567740), (4, 695783870), (5, 556627096), (8, 347891935), (10, 278313548), (20, 139156774), (40, 69578387), (241, 11548280), (449, 6198520), (482, 5774140), (643, 4328360), (898, 3099260), (964, 2887070), (1205, 2309656), (1286, 2164180), (1796, 1549630), (1928, 1443535), (2245, 1239704), (2410, 1154828), (2572, 1082090), (3215, 865672), (3592, 774815), (4490, 619852), (4820, 577414), (5144, 541045), (6430, 432836), (8980, 309926), (9640, 288707), (12860, 216418), (17960, 154963), (25720, 108209)]