249345920

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7351}}^1$

素因数の和:7423

約数の個数: 64

約数和(自身を含む): 607422240

約数和(自身を除く): 358076320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 6784, 7351, 8480, 14702, 16960, 29404, 33920, 36755, 58808, 73510, 117616, 147020, 235232, 294040, 389603, 470464, 588080, 779206, 940928, 1176160, 1558412, 1948015, 2352320, 3116824, 3896030, 4704640, 6233648, 7792060, 12467296, 15584120, 24934592, 31168240, 49869184, 62336480, 124672960, 249345920]

約数ペア:

[(1, 249345920), (2, 124672960), (4, 62336480), (5, 49869184), (8, 31168240), (10, 24934592), (16, 15584120), (20, 12467296), (32, 7792060), (40, 6233648), (53, 4704640), (64, 3896030), (80, 3116824), (106, 2352320), (128, 1948015), (160, 1558412), (212, 1176160), (265, 940928), (320, 779206), (424, 588080), (530, 470464), (640, 389603), (848, 294040), (1060, 235232), (1696, 147020), (2120, 117616), (3392, 73510), (4240, 58808), (6784, 36755), (7351, 33920), (8480, 29404), (14702, 16960)]