128001860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{48121}}^1$

素因数の和:48156

約数の個数: 48

約数和(自身を含む): 323379840

約数和(自身を除く): 195377980

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, 48121, 96242, 192484, 240605, 336847, 481210, 673694, 914299, 962420, 1347388, 1684235, 1828598, 3368470, 3657196, 4571495, 6400093, 6736940, 9142990, 12800186, 18285980, 25600372, 32000465, 64000930, 128001860]

約数ペア:

[(1, 128001860), (2, 64000930), (4, 32000465), (5, 25600372), (7, 18285980), (10, 12800186), (14, 9142990), (19, 6736940), (20, 6400093), (28, 4571495), (35, 3657196), (38, 3368470), (70, 1828598), (76, 1684235), (95, 1347388), (133, 962420), (140, 914299), (190, 673694), (266, 481210), (380, 336847), (532, 240605), (665, 192484), (1330, 96242), (2660, 48121)]