200987745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 379330560

約数和(自身を除く): 178342815

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 139, 141, 235, 293, 329, 417, 695, 705, 879, 973, 987, 1465, 1645, 2051, 2085, 2919, 4395, 4865, 4935, 6153, 6533, 10255, 13771, 14595, 19599, 30765, 32665, 40727, 41313, 45731, 68855, 96397, 97995, 122181, 137193, 203635, 206565, 228655, 285089, 289191, 481985, 610905, 685965, 855267, 1425445, 1445955, 1914169, 4276335, 5742507, 9570845, 13399183, 28712535, 40197549, 66995915, 200987745]

約数ペア:

[(1, 200987745), (3, 66995915), (5, 40197549), (7, 28712535), (15, 13399183), (21, 9570845), (35, 5742507), (47, 4276335), (105, 1914169), (139, 1445955), (141, 1425445), (235, 855267), (293, 685965), (329, 610905), (417, 481985), (695, 289191), (705, 285089), (879, 228655), (973, 206565), (987, 203635), (1465, 137193), (1645, 122181), (2051, 97995), (2085, 96397), (2919, 68855), (4395, 45731), (4865, 41313), (4935, 40727), (6153, 32665), (6533, 30765), (10255, 19599), (13771, 14595)]