31020770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 63431424

約数和(自身を除く): 32410654

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 121, 155, 242, 310, 341, 605, 682, 827, 1210, 1654, 1705, 3410, 3751, 4135, 7502, 8270, 9097, 18194, 18755, 25637, 37510, 45485, 51274, 90970, 100067, 128185, 200134, 256370, 282007, 500335, 564014, 1000670, 1410035, 2820070, 3102077, 6204154, 15510385, 31020770]

約数ペア:

[(1, 31020770), (2, 15510385), (5, 6204154), (10, 3102077), (11, 2820070), (22, 1410035), (31, 1000670), (55, 564014), (62, 500335), (110, 282007), (121, 256370), (155, 200134), (242, 128185), (310, 100067), (341, 90970), (605, 51274), (682, 45485), (827, 37510), (1210, 25637), (1654, 18755), (1705, 18194), (3410, 9097), (3751, 8270), (4135, 7502)]