3996440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2039}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 10465200

約数和(自身を除く): 6468760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2039, 4078, 8156, 10195, 14273, 16312, 20390, 28546, 40780, 57092, 71365, 81560, 99911, 114184, 142730, 199822, 285460, 399644, 499555, 570920, 799288, 999110, 1998220, 3996440]

約数ペア:

[(1, 3996440), (2, 1998220), (4, 999110), (5, 799288), (7, 570920), (8, 499555), (10, 399644), (14, 285460), (20, 199822), (28, 142730), (35, 114184), (40, 99911), (49, 81560), (56, 71365), (70, 57092), (98, 40780), (140, 28546), (196, 20390), (245, 16312), (280, 14273), (392, 10195), (490, 8156), (980, 4078), (1960, 2039)]