515901890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{61933}}^1$

素因数の和:61971

約数の個数: 48

約数和(自身を含む): 1143797112

約数和(自身を除く): 627895222

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 8330, 61933, 123866, 309665, 433531, 619330, 867062, 1052861, 2105722, 2167655, 3034717, 4335310, 5264305, 6069434, 7370027, 10528610, 14740054, 15173585, 30347170, 36850135, 51590189, 73700270, 103180378, 257950945, 515901890]

約数ペア:

[(1, 515901890), (2, 257950945), (5, 103180378), (7, 73700270), (10, 51590189), (14, 36850135), (17, 30347170), (34, 15173585), (35, 14740054), (49, 10528610), (70, 7370027), (85, 6069434), (98, 5264305), (119, 4335310), (170, 3034717), (238, 2167655), (245, 2105722), (490, 1052861), (595, 867062), (833, 619330), (1190, 433531), (1666, 309665), (4165, 123866), (8330, 61933)]