989920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 2449440

約数和(自身を除く): 1459520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 269, 368, 460, 538, 736, 920, 1076, 1345, 1840, 2152, 2690, 3680, 4304, 5380, 6187, 8608, 10760, 12374, 21520, 24748, 30935, 43040, 49496, 61870, 98992, 123740, 197984, 247480, 494960, 989920]

約数ペア:

[(1, 989920), (2, 494960), (4, 247480), (5, 197984), (8, 123740), (10, 98992), (16, 61870), (20, 49496), (23, 43040), (32, 30935), (40, 24748), (46, 21520), (80, 12374), (92, 10760), (115, 8608), (160, 6187), (184, 5380), (230, 4304), (269, 3680), (368, 2690), (460, 2152), (538, 1840), (736, 1345), (920, 1076)]