206864980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1477607}}^1$

素因数の和:1477623

約数の個数: 24

約数和(自身を含む): 496476288

約数和(自身を除く): 289611308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1477607, 2955214, 5910428, 7388035, 10343249, 14776070, 20686498, 29552140, 41372996, 51716245, 103432490, 206864980]

約数ペア:

[(1, 206864980), (2, 103432490), (4, 51716245), (5, 41372996), (7, 29552140), (10, 20686498), (14, 14776070), (20, 10343249), (28, 7388035), (35, 5910428), (70, 2955214), (140, 1477607)]