208442800

素因数分解:

$2^4\times 5^2\times {\mathrm{521107}}^1$

素因数の和:521125

約数の個数: 30

約数和(自身を含む): 500784788

約数和(自身を除く): 292341988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 521107, 1042214, 2084428, 2605535, 4168856, 5211070, 8337712, 10422140, 13027675, 20844280, 26055350, 41688560, 52110700, 104221400, 208442800]

約数ペア:

[(1, 208442800), (2, 104221400), (4, 52110700), (5, 41688560), (8, 26055350), (10, 20844280), (16, 13027675), (20, 10422140), (25, 8337712), (40, 5211070), (50, 4168856), (80, 2605535), (100, 2084428), (200, 1042214), (400, 521107)]