1988840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7103}}^1$

素因数の和:7121

約数の個数: 32

約数和(自身を含む): 5114880

約数和(自身を除く): 3126040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7103, 14206, 28412, 35515, 49721, 56824, 71030, 99442, 142060, 198884, 248605, 284120, 397768, 497210, 994420, 1988840]

約数ペア:

[(1, 1988840), (2, 994420), (4, 497210), (5, 397768), (7, 284120), (8, 248605), (10, 198884), (14, 142060), (20, 99442), (28, 71030), (35, 56824), (40, 49721), (56, 35515), (70, 28412), (140, 14206), (280, 7103)]