121220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 302400

約数和(自身を除く): 181180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 29, 38, 44, 55, 58, 76, 95, 110, 116, 145, 190, 209, 220, 290, 319, 380, 418, 551, 580, 638, 836, 1045, 1102, 1276, 1595, 2090, 2204, 2755, 3190, 4180, 5510, 6061, 6380, 11020, 12122, 24244, 30305, 60610, 121220]

約数ペア:

[(1, 121220), (2, 60610), (4, 30305), (5, 24244), (10, 12122), (11, 11020), (19, 6380), (20, 6061), (22, 5510), (29, 4180), (38, 3190), (44, 2755), (55, 2204), (58, 2090), (76, 1595), (95, 1276), (110, 1102), (116, 1045), (145, 836), (190, 638), (209, 580), (220, 551), (290, 418), (319, 380)]