201138970

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{102101}}^1$

素因数の和:102305

約数の個数: 16

約数和(自身を含む): 363891528

約数和(自身を除く): 162752558

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 102101, 204202, 510505, 1021010, 20113897, 40227794, 100569485, 201138970]

約数ペア:

[(1, 201138970), (2, 100569485), (5, 40227794), (10, 20113897), (197, 1021010), (394, 510505), (985, 204202), (1970, 102101)]