908440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1771

約数の個数: 32

約数和(自身を含む): 2202480

約数和(自身を除く): 1294040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1747, 3494, 6988, 8735, 13976, 17470, 22711, 34940, 45422, 69880, 90844, 113555, 181688, 227110, 454220, 908440]

約数ペア:

[(1, 908440), (2, 454220), (4, 227110), (5, 181688), (8, 113555), (10, 90844), (13, 69880), (20, 45422), (26, 34940), (40, 22711), (52, 17470), (65, 13976), (104, 8735), (130, 6988), (260, 3494), (520, 1747)]