29919800

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{709}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 69991800

約数和(自身を除く): 40072000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 709, 844, 1055, 1418, 1688, 2110, 2836, 3545, 4220, 5275, 5672, 7090, 8440, 10550, 14180, 17725, 21100, 28360, 35450, 42200, 70900, 141800, 149599, 299198, 598396, 747995, 1196792, 1495990, 2991980, 3739975, 5983960, 7479950, 14959900, 29919800]

約数ペア:

[(1, 29919800), (2, 14959900), (4, 7479950), (5, 5983960), (8, 3739975), (10, 2991980), (20, 1495990), (25, 1196792), (40, 747995), (50, 598396), (100, 299198), (200, 149599), (211, 141800), (422, 70900), (709, 42200), (844, 35450), (1055, 28360), (1418, 21100), (1688, 17725), (2110, 14180), (2836, 10550), (3545, 8440), (4220, 7090), (5275, 5672)]