218336720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12577}}^1$

素因数の和:12628

約数の個数: 80

約数和(自身を含む): 598914048

約数和(自身を除く): 380577328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 12577, 17360, 25154, 50308, 62885, 88039, 100616, 125770, 176078, 201232, 251540, 352156, 389887, 440195, 503080, 704312, 779774, 880390, 1006160, 1408624, 1559548, 1760780, 1949435, 2729209, 3119096, 3521560, 3898870, 5458418, 6238192, 7043120, 7797740, 10916836, 13646045, 15595480, 21833672, 27292090, 31190960, 43667344, 54584180, 109168360, 218336720]

約数ペア:

[(1, 218336720), (2, 109168360), (4, 54584180), (5, 43667344), (7, 31190960), (8, 27292090), (10, 21833672), (14, 15595480), (16, 13646045), (20, 10916836), (28, 7797740), (31, 7043120), (35, 6238192), (40, 5458418), (56, 3898870), (62, 3521560), (70, 3119096), (80, 2729209), (112, 1949435), (124, 1760780), (140, 1559548), (155, 1408624), (217, 1006160), (248, 880390), (280, 779774), (310, 704312), (434, 503080), (496, 440195), (560, 389887), (620, 352156), (868, 251540), (1085, 201232), (1240, 176078), (1736, 125770), (2170, 100616), (2480, 88039), (3472, 62885), (4340, 50308), (8680, 25154), (12577, 17360)]