189998440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101063}}^1$

素因数の和:101121

約数の個数: 32

約数和(自身を含む): 436596480

約数和(自身を除く): 246598040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 101063, 202126, 404252, 505315, 808504, 1010630, 2021260, 4042520, 4749961, 9499922, 18999844, 23749805, 37999688, 47499610, 94999220, 189998440]

約数ペア:

[(1, 189998440), (2, 94999220), (4, 47499610), (5, 37999688), (8, 23749805), (10, 18999844), (20, 9499922), (40, 4749961), (47, 4042520), (94, 2021260), (188, 1010630), (235, 808504), (376, 505315), (470, 404252), (940, 202126), (1880, 101063)]