2017890490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2620637}}^1$

素因数の和:2620662

約数の個数: 32

約数和(自身を含む): 4528462464

約数和(自身を除く): 2510571974

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2620637, 5241274, 13103185, 18344459, 26206370, 28827007, 36688918, 57654014, 91722295, 144135035, 183444590, 201789049, 288270070, 403578098, 1008945245, 2017890490]

約数ペア:

[(1, 2017890490), (2, 1008945245), (5, 403578098), (7, 288270070), (10, 201789049), (11, 183444590), (14, 144135035), (22, 91722295), (35, 57654014), (55, 36688918), (70, 28827007), (77, 26206370), (110, 18344459), (154, 13103185), (385, 5241274), (770, 2620637)]