201778390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{4507}}^1$

素因数の和:4573

約数の個数: 48

約数和(自身を含む): 410101776

約数和(自身を除く): 208323386

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 370, 407, 605, 814, 1210, 2035, 4070, 4477, 4507, 8954, 9014, 22385, 22535, 44770, 45070, 49577, 99154, 166759, 247885, 333518, 495770, 545347, 833795, 1090694, 1667590, 1834349, 2726735, 3668698, 5453470, 9171745, 18343490, 20177839, 40355678, 100889195, 201778390]

約数ペア:

[(1, 201778390), (2, 100889195), (5, 40355678), (10, 20177839), (11, 18343490), (22, 9171745), (37, 5453470), (55, 3668698), (74, 2726735), (110, 1834349), (121, 1667590), (185, 1090694), (242, 833795), (370, 545347), (407, 495770), (605, 333518), (814, 247885), (1210, 166759), (2035, 99154), (4070, 49577), (4477, 45070), (4507, 44770), (8954, 22535), (9014, 22385)]