90525400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{64661}}^1$

素因数の和:64684

約数の個数: 48

約数和(自身を含む): 240542640

約数和(自身を除く): 150017240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 64661, 129322, 258644, 323305, 452627, 517288, 646610, 905254, 1293220, 1616525, 1810508, 2263135, 2586440, 3233050, 3621016, 4526270, 6466100, 9052540, 11315675, 12932200, 18105080, 22631350, 45262700, 90525400]

約数ペア:

[(1, 90525400), (2, 45262700), (4, 22631350), (5, 18105080), (7, 12932200), (8, 11315675), (10, 9052540), (14, 6466100), (20, 4526270), (25, 3621016), (28, 3233050), (35, 2586440), (40, 2263135), (50, 1810508), (56, 1616525), (70, 1293220), (100, 905254), (140, 646610), (175, 517288), (200, 452627), (280, 323305), (350, 258644), (700, 129322), (1400, 64661)]