28919330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 60808320

約数和(自身を除く): 31888990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 101, 110, 137, 190, 202, 209, 274, 418, 505, 685, 1010, 1045, 1111, 1370, 1507, 1919, 2090, 2222, 2603, 3014, 3838, 5206, 5555, 7535, 9595, 11110, 13015, 13837, 15070, 19190, 21109, 26030, 27674, 28633, 42218, 57266, 69185, 105545, 138370, 143165, 152207, 211090, 262903, 286330, 304414, 525806, 761035, 1314515, 1522070, 2629030, 2891933, 5783866, 14459665, 28919330]

約数ペア:

[(1, 28919330), (2, 14459665), (5, 5783866), (10, 2891933), (11, 2629030), (19, 1522070), (22, 1314515), (38, 761035), (55, 525806), (95, 304414), (101, 286330), (110, 262903), (137, 211090), (190, 152207), (202, 143165), (209, 138370), (274, 105545), (418, 69185), (505, 57266), (685, 42218), (1010, 28633), (1045, 27674), (1111, 26030), (1370, 21109), (1507, 19190), (1919, 15070), (2090, 13837), (2222, 13015), (2603, 11110), (3014, 9595), (3838, 7535), (5206, 5555)]