299283460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{30109}}^1$

素因数の和:30196

約数の個数: 48

約数和(自身を含む): 728421120

約数和(自身を除く): 429137660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 30109, 60218, 120436, 150545, 210763, 301090, 421526, 602180, 843052, 1053815, 2107630, 2137739, 4215260, 4275478, 8550956, 10688695, 14964173, 21377390, 29928346, 42754780, 59856692, 74820865, 149641730, 299283460]

約数ペア:

[(1, 299283460), (2, 149641730), (4, 74820865), (5, 59856692), (7, 42754780), (10, 29928346), (14, 21377390), (20, 14964173), (28, 10688695), (35, 8550956), (70, 4275478), (71, 4215260), (140, 2137739), (142, 2107630), (284, 1053815), (355, 843052), (497, 602180), (710, 421526), (994, 301090), (1420, 210763), (1988, 150545), (2485, 120436), (4970, 60218), (9940, 30109)]