178962140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3541}}^1$

素因数の和:3595

約数の個数: 72

約数和(自身を含む): 453432672

約数和(自身を除く): 274470532

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 361, 380, 532, 665, 722, 1330, 1444, 1805, 2527, 2660, 3541, 3610, 5054, 7082, 7220, 10108, 12635, 14164, 17705, 24787, 25270, 35410, 49574, 50540, 67279, 70820, 99148, 123935, 134558, 247870, 269116, 336395, 470953, 495740, 672790, 941906, 1278301, 1345580, 1883812, 2354765, 2556602, 4709530, 5113204, 6391505, 8948107, 9419060, 12783010, 17896214, 25566020, 35792428, 44740535, 89481070, 178962140]

約数ペア:

[(1, 178962140), (2, 89481070), (4, 44740535), (5, 35792428), (7, 25566020), (10, 17896214), (14, 12783010), (19, 9419060), (20, 8948107), (28, 6391505), (35, 5113204), (38, 4709530), (70, 2556602), (76, 2354765), (95, 1883812), (133, 1345580), (140, 1278301), (190, 941906), (266, 672790), (361, 495740), (380, 470953), (532, 336395), (665, 269116), (722, 247870), (1330, 134558), (1444, 123935), (1805, 99148), (2527, 70820), (2660, 67279), (3541, 50540), (3610, 49574), (5054, 35410), (7082, 25270), (7220, 24787), (10108, 17705), (12635, 14164)]