128842420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48437}}^1$

素因数の和:48472

約数の個数: 48

約数和(自身を含む): 325503360

約数和(自身を除く): 196660940

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, 48437, 96874, 193748, 242185, 339059, 484370, 678118, 920303, 968740, 1356236, 1695295, 1840606, 3390590, 3681212, 4601515, 6442121, 6781180, 9203030, 12884242, 18406060, 25768484, 32210605, 64421210, 128842420]

約数ペア:

[(1, 128842420), (2, 64421210), (4, 32210605), (5, 25768484), (7, 18406060), (10, 12884242), (14, 9203030), (19, 6781180), (20, 6442121), (28, 4601515), (35, 3681212), (38, 3390590), (70, 1840606), (76, 1695295), (95, 1356236), (133, 968740), (140, 920303), (190, 678118), (266, 484370), (380, 339059), (532, 242185), (665, 193748), (1330, 96874), (2660, 48437)]