406996820

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{58309}}^1$

素因数の和:58667

約数の個数: 24

約数和(自身を含む): 857157000

約数和(自身を除く): 450160180

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 58309, 116618, 233236, 291545, 583090, 1166180, 20349841, 40699682, 81399364, 101749205, 203498410, 406996820]

約数ペア:

[(1, 406996820), (2, 203498410), (4, 101749205), (5, 81399364), (10, 40699682), (20, 20349841), (349, 1166180), (698, 583090), (1396, 291545), (1745, 233236), (3490, 116618), (6980, 58309)]