28708460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11863}}^1$

素因数の和:11894

約数の個数: 36

約数和(自身を含む): 66272304

約数和(自身を除く): 37563844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 11863, 23726, 47452, 59315, 118630, 130493, 237260, 260986, 521972, 652465, 1304930, 1435423, 2609860, 2870846, 5741692, 7177115, 14354230, 28708460]

約数ペア:

[(1, 28708460), (2, 14354230), (4, 7177115), (5, 5741692), (10, 2870846), (11, 2609860), (20, 1435423), (22, 1304930), (44, 652465), (55, 521972), (110, 260986), (121, 237260), (220, 130493), (242, 118630), (484, 59315), (605, 47452), (1210, 23726), (2420, 11863)]