804542090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 1605339648

約数和(自身を除く): 800797558

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 197, 271, 274, 394, 542, 685, 985, 1355, 1370, 1507, 1970, 2167, 2710, 2981, 3014, 4334, 5962, 7535, 10835, 14905, 15070, 21670, 26989, 29810, 37127, 53387, 53978, 74254, 106774, 134945, 185635, 266935, 269890, 296879, 371270, 408397, 533870, 587257, 593758, 816794, 1174514, 1484395, 2041985, 2936285, 2968790, 4083970, 5872570, 7314019, 14628038, 36570095, 73140190, 80454209, 160908418, 402271045, 804542090]

約数ペア:

[(1, 804542090), (2, 402271045), (5, 160908418), (10, 80454209), (11, 73140190), (22, 36570095), (55, 14628038), (110, 7314019), (137, 5872570), (197, 4083970), (271, 2968790), (274, 2936285), (394, 2041985), (542, 1484395), (685, 1174514), (985, 816794), (1355, 593758), (1370, 587257), (1507, 533870), (1970, 408397), (2167, 371270), (2710, 296879), (2981, 269890), (3014, 266935), (4334, 185635), (5962, 134945), (7535, 106774), (10835, 74254), (14905, 53978), (15070, 53387), (21670, 37127), (26989, 29810)]