248598980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{37781}}^1$

素因数の和:37844

約数の個数: 48

約数和(自身を含む): 609348096

約数和(自身を除く): 360749116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 37781, 75562, 151124, 188905, 264467, 377810, 528934, 755620, 1057868, 1322335, 1775707, 2644670, 3551414, 5289340, 7102828, 8878535, 12429949, 17757070, 24859898, 35514140, 49719796, 62149745, 124299490, 248598980]

約数ペア:

[(1, 248598980), (2, 124299490), (4, 62149745), (5, 49719796), (7, 35514140), (10, 24859898), (14, 17757070), (20, 12429949), (28, 8878535), (35, 7102828), (47, 5289340), (70, 3551414), (94, 2644670), (140, 1775707), (188, 1322335), (235, 1057868), (329, 755620), (470, 528934), (658, 377810), (940, 264467), (1316, 188905), (1645, 151124), (3290, 75562), (6580, 37781)]