202720850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 395331840

約数和(自身を除く): 192610990

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 409, 431, 575, 818, 862, 1150, 2045, 2155, 4090, 4310, 9407, 9913, 10225, 10775, 18814, 19826, 20450, 21550, 47035, 49565, 94070, 99130, 176279, 235175, 247825, 352558, 470350, 495650, 881395, 1762790, 4054417, 4406975, 8108834, 8813950, 20272085, 40544170, 101360425, 202720850]

約数ペア:

[(1, 202720850), (2, 101360425), (5, 40544170), (10, 20272085), (23, 8813950), (25, 8108834), (46, 4406975), (50, 4054417), (115, 1762790), (230, 881395), (409, 495650), (431, 470350), (575, 352558), (818, 247825), (862, 235175), (1150, 176279), (2045, 99130), (2155, 94070), (4090, 49565), (4310, 47035), (9407, 21550), (9913, 20450), (10225, 19826), (10775, 18814)]