7149890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 14938560

約数和(自身を除く): 7788670

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 311, 418, 605, 622, 1045, 1210, 1555, 2090, 2299, 3110, 3421, 4598, 5909, 6842, 11495, 11818, 17105, 22990, 29545, 34210, 37631, 59090, 64999, 75262, 129998, 188155, 324995, 376310, 649990, 714989, 1429978, 3574945, 7149890]

約数ペア:

[(1, 7149890), (2, 3574945), (5, 1429978), (10, 714989), (11, 649990), (19, 376310), (22, 324995), (38, 188155), (55, 129998), (95, 75262), (110, 64999), (121, 59090), (190, 37631), (209, 34210), (242, 29545), (311, 22990), (418, 17105), (605, 11818), (622, 11495), (1045, 6842), (1210, 5909), (1555, 4598), (2090, 3421), (2299, 3110)]