91420340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 216937896

約数和(自身を除く): 125517556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1021, 1210, 1628, 2035, 2042, 2420, 4070, 4084, 4477, 5105, 8140, 8954, 10210, 11231, 17908, 20420, 22385, 22462, 37777, 44770, 44924, 56155, 75554, 89540, 112310, 123541, 151108, 188885, 224620, 247082, 377770, 415547, 494164, 617705, 755540, 831094, 1235410, 1662188, 2077735, 2470820, 4155470, 4571017, 8310940, 9142034, 18284068, 22855085, 45710170, 91420340]

約数ペア:

[(1, 91420340), (2, 45710170), (4, 22855085), (5, 18284068), (10, 9142034), (11, 8310940), (20, 4571017), (22, 4155470), (37, 2470820), (44, 2077735), (55, 1662188), (74, 1235410), (110, 831094), (121, 755540), (148, 617705), (185, 494164), (220, 415547), (242, 377770), (370, 247082), (407, 224620), (484, 188885), (605, 151108), (740, 123541), (814, 112310), (1021, 89540), (1210, 75554), (1628, 56155), (2035, 44924), (2042, 44770), (2420, 37777), (4070, 22462), (4084, 22385), (4477, 20420), (5105, 17908), (8140, 11231), (8954, 10210)]