289296980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{295201}}^1$

素因数の和:295224

約数の個数: 36

約数和(自身を含む): 706713588

約数和(自身を除く): 417416608

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 295201, 590402, 1180804, 1476005, 2066407, 2952010, 4132814, 5904020, 8265628, 10332035, 14464849, 20664070, 28929698, 41328140, 57859396, 72324245, 144648490, 289296980]

約数ペア:

[(1, 289296980), (2, 144648490), (4, 72324245), (5, 57859396), (7, 41328140), (10, 28929698), (14, 20664070), (20, 14464849), (28, 10332035), (35, 8265628), (49, 5904020), (70, 4132814), (98, 2952010), (140, 2066407), (196, 1476005), (245, 1180804), (490, 590402), (980, 295201)]