12401290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 25290216

約数和(自身を除く): 12888926

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 121, 185, 242, 277, 370, 407, 554, 605, 814, 1210, 1385, 2035, 2770, 3047, 4070, 4477, 6094, 8954, 10249, 15235, 20498, 22385, 30470, 33517, 44770, 51245, 67034, 102490, 112739, 167585, 225478, 335170, 563695, 1127390, 1240129, 2480258, 6200645, 12401290]

約数ペア:

[(1, 12401290), (2, 6200645), (5, 2480258), (10, 1240129), (11, 1127390), (22, 563695), (37, 335170), (55, 225478), (74, 167585), (110, 112739), (121, 102490), (185, 67034), (242, 51245), (277, 44770), (370, 33517), (407, 30470), (554, 22385), (605, 20498), (814, 15235), (1210, 10249), (1385, 8954), (2035, 6094), (2770, 4477), (3047, 4070)]