28540270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 57264480

約数和(自身を除く): 28724210

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 121, 206, 229, 242, 458, 515, 605, 1030, 1133, 1145, 1210, 2266, 2290, 2519, 5038, 5665, 11330, 12463, 12595, 23587, 24926, 25190, 27709, 47174, 55418, 62315, 117935, 124630, 138545, 235870, 259457, 277090, 518914, 1297285, 2594570, 2854027, 5708054, 14270135, 28540270]

約数ペア:

[(1, 28540270), (2, 14270135), (5, 5708054), (10, 2854027), (11, 2594570), (22, 1297285), (55, 518914), (103, 277090), (110, 259457), (121, 235870), (206, 138545), (229, 124630), (242, 117935), (458, 62315), (515, 55418), (605, 47174), (1030, 27709), (1133, 25190), (1145, 24926), (1210, 23587), (2266, 12595), (2290, 12463), (2519, 11330), (5038, 5665)]