149954120

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{16811}}^1$

素因数の和:17045

約数の個数: 32

約数和(自身を含む): 338929920

約数和(自身を除く): 188975800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 16811, 33622, 67244, 84055, 134488, 168110, 336220, 672440, 3748853, 7497706, 14995412, 18744265, 29990824, 37488530, 74977060, 149954120]

約数ペア:

[(1, 149954120), (2, 74977060), (4, 37488530), (5, 29990824), (8, 18744265), (10, 14995412), (20, 7497706), (40, 3748853), (223, 672440), (446, 336220), (892, 168110), (1115, 134488), (1784, 84055), (2230, 67244), (4460, 33622), (8920, 16811)]