30839800

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 72093600

約数和(自身を除く): 41253800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 569, 1084, 1138, 1355, 2168, 2276, 2710, 2845, 4552, 5420, 5690, 6775, 10840, 11380, 13550, 14225, 22760, 27100, 28450, 54200, 56900, 113800, 154199, 308398, 616796, 770995, 1233592, 1541990, 3083980, 3854975, 6167960, 7709950, 15419900, 30839800]

約数ペア:

[(1, 30839800), (2, 15419900), (4, 7709950), (5, 6167960), (8, 3854975), (10, 3083980), (20, 1541990), (25, 1233592), (40, 770995), (50, 616796), (100, 308398), (200, 154199), (271, 113800), (542, 56900), (569, 54200), (1084, 28450), (1138, 27100), (1355, 22760), (2168, 14225), (2276, 13550), (2710, 11380), (2845, 10840), (4552, 6775), (5420, 5690)]