858440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1951}}^1$

素因数の和:1973

約数の個数: 32

約数和(自身を含む): 2108160

約数和(自身を除く): 1249720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1951, 3902, 7804, 9755, 15608, 19510, 21461, 39020, 42922, 78040, 85844, 107305, 171688, 214610, 429220, 858440]

約数ペア:

[(1, 858440), (2, 429220), (4, 214610), (5, 171688), (8, 107305), (10, 85844), (11, 78040), (20, 42922), (22, 39020), (40, 21461), (44, 19510), (55, 15608), (88, 9755), (110, 7804), (220, 3902), (440, 1951)]