320835220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{8819}}^1$

素因数の和:8952

約数の個数: 48

約数和(自身を含む): 720135360

約数和(自身を除く): 399300140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 214, 340, 428, 535, 1070, 1819, 2140, 3638, 7276, 8819, 9095, 17638, 18190, 35276, 36380, 44095, 88190, 149923, 176380, 299846, 599692, 749615, 943633, 1499230, 1887266, 2998460, 3774532, 4718165, 9436330, 16041761, 18872660, 32083522, 64167044, 80208805, 160417610, 320835220]

約数ペア:

[(1, 320835220), (2, 160417610), (4, 80208805), (5, 64167044), (10, 32083522), (17, 18872660), (20, 16041761), (34, 9436330), (68, 4718165), (85, 3774532), (107, 2998460), (170, 1887266), (214, 1499230), (340, 943633), (428, 749615), (535, 599692), (1070, 299846), (1819, 176380), (2140, 149923), (3638, 88190), (7276, 44095), (8819, 36380), (9095, 35276), (17638, 18190)]