68914340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{28477}}^1$

素因数の和:28508

約数の個数: 36

約数和(自身を含む): 159078108

約数和(自身を除く): 90163768

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 28477, 56954, 113908, 142385, 284770, 313247, 569540, 626494, 1252988, 1566235, 3132470, 3445717, 6264940, 6891434, 13782868, 17228585, 34457170, 68914340]

約数ペア:

[(1, 68914340), (2, 34457170), (4, 17228585), (5, 13782868), (10, 6891434), (11, 6264940), (20, 3445717), (22, 3132470), (44, 1566235), (55, 1252988), (110, 626494), (121, 569540), (220, 313247), (242, 284770), (484, 142385), (605, 113908), (1210, 56954), (2420, 28477)]