89540540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2333}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 199977120

約数和(自身を除く): 110436580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 2333, 3838, 4666, 7676, 9332, 9595, 11665, 19190, 23330, 38380, 44327, 46660, 88654, 177308, 221635, 235633, 443270, 471266, 886540, 942532, 1178165, 2356330, 4477027, 4712660, 8954054, 17908108, 22385135, 44770270, 89540540]

約数ペア:

[(1, 89540540), (2, 44770270), (4, 22385135), (5, 17908108), (10, 8954054), (19, 4712660), (20, 4477027), (38, 2356330), (76, 1178165), (95, 942532), (101, 886540), (190, 471266), (202, 443270), (380, 235633), (404, 221635), (505, 177308), (1010, 88654), (1919, 46660), (2020, 44327), (2333, 38380), (3838, 23330), (4666, 19190), (7676, 11665), (9332, 9595)]