208679920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{4931}}^1$

素因数の和:4990

約数の個数: 60

約数和(自身を含む): 507295656

約数和(自身を除く): 298615736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 529, 920, 1058, 1840, 2116, 2645, 4232, 4931, 5290, 8464, 9862, 10580, 19724, 21160, 24655, 39448, 42320, 49310, 78896, 98620, 113413, 197240, 226826, 394480, 453652, 567065, 907304, 1134130, 1814608, 2268260, 2608499, 4536520, 5216998, 9073040, 10433996, 13042495, 20867992, 26084990, 41735984, 52169980, 104339960, 208679920]

約数ペア:

[(1, 208679920), (2, 104339960), (4, 52169980), (5, 41735984), (8, 26084990), (10, 20867992), (16, 13042495), (20, 10433996), (23, 9073040), (40, 5216998), (46, 4536520), (80, 2608499), (92, 2268260), (115, 1814608), (184, 1134130), (230, 907304), (368, 567065), (460, 453652), (529, 394480), (920, 226826), (1058, 197240), (1840, 113413), (2116, 98620), (2645, 78896), (4232, 49310), (4931, 42320), (5290, 39448), (8464, 24655), (9862, 21160), (10580, 19724)]