199958990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8377}}^1$

素因数の和:8433

約数の個数: 64

約数和(自身を含む): 463269888

約数和(自身を除く): 263310898

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 55, 62, 70, 77, 110, 154, 155, 217, 310, 341, 385, 434, 682, 770, 1085, 1705, 2170, 2387, 3410, 4774, 8377, 11935, 16754, 23870, 41885, 58639, 83770, 92147, 117278, 184294, 259687, 293195, 460735, 519374, 586390, 645029, 921470, 1290058, 1298435, 1817809, 2596870, 2856557, 3225145, 3635618, 5713114, 6450290, 9089045, 14282785, 18178090, 19995899, 28565570, 39991798, 99979495, 199958990]

約数ペア:

[(1, 199958990), (2, 99979495), (5, 39991798), (7, 28565570), (10, 19995899), (11, 18178090), (14, 14282785), (22, 9089045), (31, 6450290), (35, 5713114), (55, 3635618), (62, 3225145), (70, 2856557), (77, 2596870), (110, 1817809), (154, 1298435), (155, 1290058), (217, 921470), (310, 645029), (341, 586390), (385, 519374), (434, 460735), (682, 293195), (770, 259687), (1085, 184294), (1705, 117278), (2170, 92147), (2387, 83770), (3410, 58639), (4774, 41885), (8377, 23870), (11935, 16754)]