217707760

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{57901}}^1$

素因数の和:57961

約数の個数: 40

約数和(自身を含む): 516949056

約数和(自身を除く): 299241296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 57901, 115802, 231604, 289505, 463208, 579010, 926416, 1158020, 2316040, 2721347, 4632080, 5442694, 10885388, 13606735, 21770776, 27213470, 43541552, 54426940, 108853880, 217707760]

約数ペア:

[(1, 217707760), (2, 108853880), (4, 54426940), (5, 43541552), (8, 27213470), (10, 21770776), (16, 13606735), (20, 10885388), (40, 5442694), (47, 4632080), (80, 2721347), (94, 2316040), (188, 1158020), (235, 926416), (376, 579010), (470, 463208), (752, 289505), (940, 231604), (1880, 115802), (3760, 57901)]