338475480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{402947}}^1$

素因数の和:402968

約数の個数: 64

約数和(自身を含む): 1160490240

約数和(自身を除く): 822014760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 402947, 805894, 1208841, 1611788, 2014735, 2417682, 2820629, 3223576, 4029470, 4835364, 5641258, 6044205, 8058940, 8461887, 9670728, 11282516, 12088410, 14103145, 16117880, 16923774, 22565032, 24176820, 28206290, 33847548, 42309435, 48353640, 56412580, 67695096, 84618870, 112825160, 169237740, 338475480]

約数ペア:

[(1, 338475480), (2, 169237740), (3, 112825160), (4, 84618870), (5, 67695096), (6, 56412580), (7, 48353640), (8, 42309435), (10, 33847548), (12, 28206290), (14, 24176820), (15, 22565032), (20, 16923774), (21, 16117880), (24, 14103145), (28, 12088410), (30, 11282516), (35, 9670728), (40, 8461887), (42, 8058940), (56, 6044205), (60, 5641258), (70, 4835364), (84, 4029470), (105, 3223576), (120, 2820629), (140, 2417682), (168, 2014735), (210, 1611788), (280, 1208841), (420, 805894), (840, 402947)]