81840770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{283}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 163175040

約数和(自身を除く): 81334270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 239, 242, 283, 478, 566, 605, 1195, 1210, 1415, 2390, 2629, 2830, 3113, 5258, 6226, 13145, 15565, 26290, 28919, 31130, 34243, 57838, 67637, 68486, 135274, 144595, 171215, 289190, 338185, 342430, 676370, 744007, 1488014, 3720035, 7440070, 8184077, 16368154, 40920385, 81840770]

約数ペア:

[(1, 81840770), (2, 40920385), (5, 16368154), (10, 8184077), (11, 7440070), (22, 3720035), (55, 1488014), (110, 744007), (121, 676370), (239, 342430), (242, 338185), (283, 289190), (478, 171215), (566, 144595), (605, 135274), (1195, 68486), (1210, 67637), (1415, 57838), (2390, 34243), (2629, 31130), (2830, 28919), (3113, 26290), (5258, 15565), (6226, 13145)]