628503540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1496437}}^1$

素因数の和:1496456

約数の個数: 48

約数和(自身を含む): 2011212672

約数和(自身を除く): 1382709132

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1496437, 2992874, 4489311, 5985748, 7482185, 8978622, 10475059, 14964370, 17957244, 20950118, 22446555, 29928740, 31425177, 41900236, 44893110, 52375295, 62850354, 89786220, 104750590, 125700708, 157125885, 209501180, 314251770, 628503540]

約数ペア:

[(1, 628503540), (2, 314251770), (3, 209501180), (4, 157125885), (5, 125700708), (6, 104750590), (7, 89786220), (10, 62850354), (12, 52375295), (14, 44893110), (15, 41900236), (20, 31425177), (21, 29928740), (28, 22446555), (30, 20950118), (35, 17957244), (42, 14964370), (60, 10475059), (70, 8978622), (84, 7482185), (105, 5985748), (140, 4489311), (210, 2992874), (420, 1496437)]