28970440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{38119}}^1$

素因数の和:38149

約数の個数: 32

約数和(自身を含む): 68616000

約数和(自身を除く): 39645560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 38119, 76238, 152476, 190595, 304952, 381190, 724261, 762380, 1448522, 1524760, 2897044, 3621305, 5794088, 7242610, 14485220, 28970440]

約数ペア:

[(1, 28970440), (2, 14485220), (4, 7242610), (5, 5794088), (8, 3621305), (10, 2897044), (19, 1524760), (20, 1448522), (38, 762380), (40, 724261), (76, 381190), (95, 304952), (152, 190595), (190, 152476), (380, 76238), (760, 38119)]