189900760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{678217}}^1$

素因数の和:678235

約数の個数: 32

約数和(自身を含む): 488316960

約数和(自身を除く): 298416200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 678217, 1356434, 2712868, 3391085, 4747519, 5425736, 6782170, 9495038, 13564340, 18990076, 23737595, 27128680, 37980152, 47475190, 94950380, 189900760]

約数ペア:

[(1, 189900760), (2, 94950380), (4, 47475190), (5, 37980152), (7, 27128680), (8, 23737595), (10, 18990076), (14, 13564340), (20, 9495038), (28, 6782170), (35, 5425736), (40, 4747519), (56, 3391085), (70, 2712868), (140, 1356434), (280, 678217)]