1668380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 4245696

約数和(自身を除く): 2577316

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 701, 1190, 1402, 2380, 2804, 3505, 4907, 7010, 9814, 11917, 14020, 19628, 23834, 24535, 47668, 49070, 59585, 83419, 98140, 119170, 166838, 238340, 333676, 417095, 834190, 1668380]

約数ペア:

[(1, 1668380), (2, 834190), (4, 417095), (5, 333676), (7, 238340), (10, 166838), (14, 119170), (17, 98140), (20, 83419), (28, 59585), (34, 49070), (35, 47668), (68, 24535), (70, 23834), (85, 19628), (119, 14020), (140, 11917), (170, 9814), (238, 7010), (340, 4907), (476, 3505), (595, 2804), (701, 2380), (1190, 1402)]