890438360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{4423}}^1$

素因数の和:5160

約数の個数: 64

約数和(自身を含む): 2293401600

約数和(自身を除く): 1402963240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719, 1438, 2876, 3595, 4423, 5033, 5752, 7190, 8846, 10066, 14380, 17692, 20132, 22115, 25165, 28760, 30961, 35384, 40264, 44230, 50330, 61922, 88460, 100660, 123844, 154805, 176920, 201320, 247688, 309610, 619220, 1238440, 3180137, 6360274, 12720548, 15900685, 22260959, 25441096, 31801370, 44521918, 63602740, 89043836, 111304795, 127205480, 178087672, 222609590, 445219180, 890438360]

約数ペア:

[(1, 890438360), (2, 445219180), (4, 222609590), (5, 178087672), (7, 127205480), (8, 111304795), (10, 89043836), (14, 63602740), (20, 44521918), (28, 31801370), (35, 25441096), (40, 22260959), (56, 15900685), (70, 12720548), (140, 6360274), (280, 3180137), (719, 1238440), (1438, 619220), (2876, 309610), (3595, 247688), (4423, 201320), (5033, 176920), (5752, 154805), (7190, 123844), (8846, 100660), (10066, 88460), (14380, 61922), (17692, 50330), (20132, 44230), (22115, 40264), (25165, 35384), (28760, 30961)]