30949480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 74030400

約数和(自身を除く): 43080920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 193, 211, 380, 386, 422, 760, 772, 844, 965, 1055, 1544, 1688, 1930, 2110, 3667, 3860, 4009, 4220, 7334, 7720, 8018, 8440, 14668, 16036, 18335, 20045, 29336, 32072, 36670, 40090, 40723, 73340, 80180, 81446, 146680, 160360, 162892, 203615, 325784, 407230, 773737, 814460, 1547474, 1628920, 3094948, 3868685, 6189896, 7737370, 15474740, 30949480]

約数ペア:

[(1, 30949480), (2, 15474740), (4, 7737370), (5, 6189896), (8, 3868685), (10, 3094948), (19, 1628920), (20, 1547474), (38, 814460), (40, 773737), (76, 407230), (95, 325784), (152, 203615), (190, 162892), (193, 160360), (211, 146680), (380, 81446), (386, 80180), (422, 73340), (760, 40723), (772, 40090), (844, 36670), (965, 32072), (1055, 29336), (1544, 20045), (1688, 18335), (1930, 16036), (2110, 14668), (3667, 8440), (3860, 8018), (4009, 7720), (4220, 7334)]