900790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 1866240

約数和(自身を除く): 965450

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 431, 862, 1045, 2090, 2155, 4310, 4741, 8189, 9482, 16378, 23705, 40945, 47410, 81890, 90079, 180158, 450395, 900790]

約数ペア:

[(1, 900790), (2, 450395), (5, 180158), (10, 90079), (11, 81890), (19, 47410), (22, 40945), (38, 23705), (55, 16378), (95, 9482), (110, 8189), (190, 4741), (209, 4310), (418, 2155), (431, 2090), (862, 1045)]