118172020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3079}}^1$

素因数の和:3208

約数の個数: 48

約数和(自身を含む): 263894400

約数和(自身を除く): 145722380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3079, 3838, 6158, 7676, 9595, 12316, 15395, 19190, 30790, 38380, 58501, 61580, 117002, 234004, 292505, 310979, 585010, 621958, 1170020, 1243916, 1554895, 3109790, 5908601, 6219580, 11817202, 23634404, 29543005, 59086010, 118172020]

約数ペア:

[(1, 118172020), (2, 59086010), (4, 29543005), (5, 23634404), (10, 11817202), (19, 6219580), (20, 5908601), (38, 3109790), (76, 1554895), (95, 1243916), (101, 1170020), (190, 621958), (202, 585010), (380, 310979), (404, 292505), (505, 234004), (1010, 117002), (1919, 61580), (2020, 58501), (3079, 38380), (3838, 30790), (6158, 19190), (7676, 15395), (9595, 12316)]