98982020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2579}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 221054400

約数和(自身を除く): 122072380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 2579, 3838, 5158, 7676, 9595, 10316, 12895, 19190, 25790, 38380, 49001, 51580, 98002, 196004, 245005, 260479, 490010, 520958, 980020, 1041916, 1302395, 2604790, 4949101, 5209580, 9898202, 19796404, 24745505, 49491010, 98982020]

約数ペア:

[(1, 98982020), (2, 49491010), (4, 24745505), (5, 19796404), (10, 9898202), (19, 5209580), (20, 4949101), (38, 2604790), (76, 1302395), (95, 1041916), (101, 980020), (190, 520958), (202, 490010), (380, 260479), (404, 245005), (505, 196004), (1010, 98002), (1919, 51580), (2020, 49001), (2579, 38380), (3838, 25790), (5158, 19190), (7676, 12895), (9595, 10316)]