289703620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1627}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 631794240

約数和(自身を除く): 342090620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 307, 580, 614, 1228, 1535, 1627, 3070, 3254, 6140, 6508, 8135, 8903, 16270, 17806, 32540, 35612, 44515, 47183, 89030, 94366, 178060, 188732, 235915, 471830, 499489, 943660, 998978, 1997956, 2497445, 4994890, 9989780, 14485181, 28970362, 57940724, 72425905, 144851810, 289703620]

約数ペア:

[(1, 289703620), (2, 144851810), (4, 72425905), (5, 57940724), (10, 28970362), (20, 14485181), (29, 9989780), (58, 4994890), (116, 2497445), (145, 1997956), (290, 998978), (307, 943660), (580, 499489), (614, 471830), (1228, 235915), (1535, 188732), (1627, 178060), (3070, 94366), (3254, 89030), (6140, 47183), (6508, 44515), (8135, 35612), (8903, 32540), (16270, 17806)]