208374040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{887}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 537062400

約数和(自身を除く): 328688360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 839, 887, 1678, 1774, 3356, 3548, 4195, 4435, 5873, 6209, 6712, 7096, 8390, 8870, 11746, 12418, 16780, 17740, 23492, 24836, 29365, 31045, 33560, 35480, 46984, 49672, 58730, 62090, 117460, 124180, 234920, 248360, 744193, 1488386, 2976772, 3720965, 5209351, 5953544, 7441930, 10418702, 14883860, 20837404, 26046755, 29767720, 41674808, 52093510, 104187020, 208374040]

約数ペア:

[(1, 208374040), (2, 104187020), (4, 52093510), (5, 41674808), (7, 29767720), (8, 26046755), (10, 20837404), (14, 14883860), (20, 10418702), (28, 7441930), (35, 5953544), (40, 5209351), (56, 3720965), (70, 2976772), (140, 1488386), (280, 744193), (839, 248360), (887, 234920), (1678, 124180), (1774, 117460), (3356, 62090), (3548, 58730), (4195, 49672), (4435, 46984), (5873, 35480), (6209, 33560), (6712, 31045), (7096, 29365), (8390, 24836), (8870, 23492), (11746, 17740), (12418, 16780)]