7952780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 18730656

約数和(自身を除く): 10777876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 977, 1628, 1954, 2035, 3908, 4070, 4885, 8140, 9770, 10747, 19540, 21494, 36149, 42988, 53735, 72298, 107470, 144596, 180745, 214940, 361490, 397639, 722980, 795278, 1590556, 1988195, 3976390, 7952780]

約数ペア:

[(1, 7952780), (2, 3976390), (4, 1988195), (5, 1590556), (10, 795278), (11, 722980), (20, 397639), (22, 361490), (37, 214940), (44, 180745), (55, 144596), (74, 107470), (110, 72298), (148, 53735), (185, 42988), (220, 36149), (370, 21494), (407, 19540), (740, 10747), (814, 9770), (977, 8140), (1628, 4885), (1954, 4070), (2035, 3908)]