201554660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2777}}^1$

素因数の和:2996

約数の個数: 48

約数和(自身を含む): 448035840

約数和(自身を除く): 246481180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 2777, 3629, 3820, 5554, 7258, 11108, 13885, 14516, 18145, 27770, 36290, 52763, 55540, 72580, 105526, 211052, 263815, 527630, 530407, 1055260, 1060814, 2121628, 2652035, 5304070, 10077733, 10608140, 20155466, 40310932, 50388665, 100777330, 201554660]

約数ペア:

[(1, 201554660), (2, 100777330), (4, 50388665), (5, 40310932), (10, 20155466), (19, 10608140), (20, 10077733), (38, 5304070), (76, 2652035), (95, 2121628), (190, 1060814), (191, 1055260), (380, 530407), (382, 527630), (764, 263815), (955, 211052), (1910, 105526), (2777, 72580), (3629, 55540), (3820, 52763), (5554, 36290), (7258, 27770), (11108, 18145), (13885, 14516)]