12290660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 28095984

約数和(自身を除く): 15805324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 977, 1258, 1954, 2516, 3145, 3908, 4885, 6290, 9770, 12580, 16609, 19540, 33218, 36149, 66436, 72298, 83045, 144596, 166090, 180745, 332180, 361490, 614533, 722980, 1229066, 2458132, 3072665, 6145330, 12290660]

約数ペア:

[(1, 12290660), (2, 6145330), (4, 3072665), (5, 2458132), (10, 1229066), (17, 722980), (20, 614533), (34, 361490), (37, 332180), (68, 180745), (74, 166090), (85, 144596), (148, 83045), (170, 72298), (185, 66436), (340, 36149), (370, 33218), (629, 19540), (740, 16609), (977, 12580), (1258, 9770), (1954, 6290), (2516, 4885), (3145, 3908)]