12266980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 29292984

約数和(自身を除く): 17026004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 137, 148, 185, 220, 242, 274, 370, 407, 484, 548, 605, 685, 740, 814, 1210, 1370, 1507, 1628, 2035, 2420, 2740, 3014, 4070, 4477, 5069, 6028, 7535, 8140, 8954, 10138, 15070, 16577, 17908, 20276, 22385, 25345, 30140, 33154, 44770, 50690, 55759, 66308, 82885, 89540, 101380, 111518, 165770, 223036, 278795, 331540, 557590, 613349, 1115180, 1226698, 2453396, 3066745, 6133490, 12266980]

約数ペア:

[(1, 12266980), (2, 6133490), (4, 3066745), (5, 2453396), (10, 1226698), (11, 1115180), (20, 613349), (22, 557590), (37, 331540), (44, 278795), (55, 223036), (74, 165770), (110, 111518), (121, 101380), (137, 89540), (148, 82885), (185, 66308), (220, 55759), (242, 50690), (274, 44770), (370, 33154), (407, 30140), (484, 25345), (548, 22385), (605, 20276), (685, 17908), (740, 16577), (814, 15070), (1210, 10138), (1370, 8954), (1507, 8140), (1628, 7535), (2035, 6028), (2420, 5069), (2740, 4477), (3014, 4070)]