201639250

素因数分解:

$2^1\times 5^3\times {\mathrm{619}}^1\times {\mathrm{1303}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 378368640

約数和(自身を除く): 176729390

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 619, 1238, 1303, 2606, 3095, 6190, 6515, 13030, 15475, 30950, 32575, 65150, 77375, 154750, 162875, 325750, 806557, 1613114, 4032785, 8065570, 20163925, 40327850, 100819625, 201639250]

約数ペア:

[(1, 201639250), (2, 100819625), (5, 40327850), (10, 20163925), (25, 8065570), (50, 4032785), (125, 1613114), (250, 806557), (619, 325750), (1238, 162875), (1303, 154750), (2606, 77375), (3095, 65150), (6190, 32575), (6515, 30950), (13030, 15475)]