304112840

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{38593}}^1$

素因数の和:38801

約数の個数: 32

約数和(自身を含む): 687745080

約数和(自身を除く): 383632240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 38593, 77186, 154372, 192965, 308744, 385930, 771860, 1543720, 7602821, 15205642, 30411284, 38014105, 60822568, 76028210, 152056420, 304112840]

約数ペア:

[(1, 304112840), (2, 152056420), (4, 76028210), (5, 60822568), (8, 38014105), (10, 30411284), (20, 15205642), (40, 7602821), (197, 1543720), (394, 771860), (788, 385930), (985, 308744), (1576, 192965), (1970, 154372), (3940, 77186), (7880, 38593)]