7311580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 16450560

約数和(自身を除く): 9138980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 271, 284, 355, 380, 542, 710, 1084, 1349, 1355, 1420, 2698, 2710, 5149, 5396, 5420, 6745, 10298, 13490, 19241, 20596, 25745, 26980, 38482, 51490, 76964, 96205, 102980, 192410, 365579, 384820, 731158, 1462316, 1827895, 3655790, 7311580]

約数ペア:

[(1, 7311580), (2, 3655790), (4, 1827895), (5, 1462316), (10, 731158), (19, 384820), (20, 365579), (38, 192410), (71, 102980), (76, 96205), (95, 76964), (142, 51490), (190, 38482), (271, 26980), (284, 25745), (355, 20596), (380, 19241), (542, 13490), (710, 10298), (1084, 6745), (1349, 5420), (1355, 5396), (1420, 5149), (2698, 2710)]