201990970

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{101503}}^1$

素因数の和:101709

約数の個数: 16

約数和(自身を含む): 365414400

約数和(自身を除く): 163423430

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 101503, 203006, 507515, 1015030, 20199097, 40398194, 100995485, 201990970]

約数ペア:

[(1, 201990970), (2, 100995485), (5, 40398194), (10, 20199097), (199, 1015030), (398, 507515), (995, 203006), (1990, 101503)]