31127510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 34190890

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 391, 419, 437, 646, 782, 838, 874, 1615, 1955, 2095, 2185, 3230, 3910, 4190, 4370, 7123, 7429, 7961, 9637, 14246, 14858, 15922, 19274, 35615, 37145, 39805, 48185, 71230, 74290, 79610, 96370, 135337, 163829, 183103, 270674, 327658, 366206, 676685, 819145, 915515, 1353370, 1638290, 1831030, 3112751, 6225502, 15563755, 31127510]

約数ペア:

[(1, 31127510), (2, 15563755), (5, 6225502), (10, 3112751), (17, 1831030), (19, 1638290), (23, 1353370), (34, 915515), (38, 819145), (46, 676685), (85, 366206), (95, 327658), (115, 270674), (170, 183103), (190, 163829), (230, 135337), (323, 96370), (391, 79610), (419, 74290), (437, 71230), (646, 48185), (782, 39805), (838, 37145), (874, 35615), (1615, 19274), (1955, 15922), (2095, 14858), (2185, 14246), (3230, 9637), (3910, 7961), (4190, 7429), (4370, 7123)]