137976860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51871}}^1$

素因数の和:51906

約数の個数: 48

約数和(自身を含む): 348579840

約数和(自身を除く): 210602980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 51871, 103742, 207484, 259355, 363097, 518710, 726194, 985549, 1037420, 1452388, 1815485, 1971098, 3630970, 3942196, 4927745, 6898843, 7261940, 9855490, 13797686, 19710980, 27595372, 34494215, 68988430, 137976860]

約数ペア:

[(1, 137976860), (2, 68988430), (4, 34494215), (5, 27595372), (7, 19710980), (10, 13797686), (14, 9855490), (19, 7261940), (20, 6898843), (28, 4927745), (35, 3942196), (38, 3630970), (70, 1971098), (76, 1815485), (95, 1452388), (133, 1037420), (140, 985549), (190, 726194), (266, 518710), (380, 363097), (532, 259355), (665, 207484), (1330, 103742), (2660, 51871)]