1917520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2179}}^1$

素因数の和:2203

約数の個数: 40

約数和(自身を含む): 4865760

約数和(自身を除く): 2948240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2179, 4358, 8716, 10895, 17432, 21790, 23969, 34864, 43580, 47938, 87160, 95876, 119845, 174320, 191752, 239690, 383504, 479380, 958760, 1917520]

約数ペア:

[(1, 1917520), (2, 958760), (4, 479380), (5, 383504), (8, 239690), (10, 191752), (11, 174320), (16, 119845), (20, 95876), (22, 87160), (40, 47938), (44, 43580), (55, 34864), (80, 23969), (88, 21790), (110, 17432), (176, 10895), (220, 8716), (440, 4358), (880, 2179)]