2980968770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1\times {\mathrm{11471}}^1$

素因数の和:13490

約数の個数: 32

約数和(自身を含む): 5781888000

約数和(自身を除く): 2800919230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1999, 3998, 9995, 11471, 19990, 22942, 25987, 51974, 57355, 114710, 129935, 149123, 259870, 298246, 745615, 1491230, 22930529, 45861058, 114652645, 229305290, 298096877, 596193754, 1490484385, 2980968770]

約数ペア:

[(1, 2980968770), (2, 1490484385), (5, 596193754), (10, 298096877), (13, 229305290), (26, 114652645), (65, 45861058), (130, 22930529), (1999, 1491230), (3998, 745615), (9995, 298246), (11471, 259870), (19990, 149123), (22942, 129935), (25987, 114710), (51974, 57355)]