30761000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1619}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 75816000

約数和(自身を除く): 45055000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1619, 1900, 2375, 3238, 3800, 4750, 6476, 8095, 9500, 12952, 16190, 19000, 30761, 32380, 40475, 61522, 64760, 80950, 123044, 153805, 161900, 202375, 246088, 307610, 323800, 404750, 615220, 769025, 809500, 1230440, 1538050, 1619000, 3076100, 3845125, 6152200, 7690250, 15380500, 30761000]

約数ペア:

[(1, 30761000), (2, 15380500), (4, 7690250), (5, 6152200), (8, 3845125), (10, 3076100), (19, 1619000), (20, 1538050), (25, 1230440), (38, 809500), (40, 769025), (50, 615220), (76, 404750), (95, 323800), (100, 307610), (125, 246088), (152, 202375), (190, 161900), (200, 153805), (250, 123044), (380, 80950), (475, 64760), (500, 61522), (760, 40475), (950, 32380), (1000, 30761), (1619, 19000), (1900, 16190), (2375, 12952), (3238, 9500), (3800, 8095), (4750, 6476)]