201249280

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:769

約数の個数: 80

約数和(自身を含む): 487111680

約数和(自身を除く): 285862400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 619, 635, 640, 1016, 1238, 1270, 1280, 2032, 2476, 2540, 2560, 3095, 4064, 4952, 5080, 6190, 8128, 9904, 10160, 12380, 16256, 19808, 20320, 24760, 32512, 39616, 40640, 49520, 65024, 78613, 79232, 81280, 99040, 157226, 158464, 162560, 198080, 314452, 316928, 325120, 393065, 396160, 628904, 786130, 792320, 1257808, 1572260, 1584640, 2515616, 3144520, 5031232, 6289040, 10062464, 12578080, 20124928, 25156160, 40249856, 50312320, 100624640, 201249280]

約数ペア:

[(1, 201249280), (2, 100624640), (4, 50312320), (5, 40249856), (8, 25156160), (10, 20124928), (16, 12578080), (20, 10062464), (32, 6289040), (40, 5031232), (64, 3144520), (80, 2515616), (127, 1584640), (128, 1572260), (160, 1257808), (254, 792320), (256, 786130), (320, 628904), (508, 396160), (512, 393065), (619, 325120), (635, 316928), (640, 314452), (1016, 198080), (1238, 162560), (1270, 158464), (1280, 157226), (2032, 99040), (2476, 81280), (2540, 79232), (2560, 78613), (3095, 65024), (4064, 49520), (4952, 40640), (5080, 39616), (6190, 32512), (8128, 24760), (9904, 20320), (10160, 19808), (12380, 16256)]