224775440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 534006000

約数和(自身を除く): 309230560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 149, 173, 218, 298, 346, 436, 545, 596, 692, 745, 865, 872, 1090, 1192, 1384, 1490, 1730, 1744, 2180, 2384, 2768, 2980, 3460, 4360, 5960, 6920, 8720, 11920, 13840, 16241, 18857, 25777, 32482, 37714, 51554, 64964, 75428, 81205, 94285, 103108, 128885, 129928, 150856, 162410, 188570, 206216, 257770, 259856, 301712, 324820, 377140, 412432, 515540, 649640, 754280, 1031080, 1299280, 1508560, 2062160, 2809693, 5619386, 11238772, 14048465, 22477544, 28096930, 44955088, 56193860, 112387720, 224775440]

約数ペア:

[(1, 224775440), (2, 112387720), (4, 56193860), (5, 44955088), (8, 28096930), (10, 22477544), (16, 14048465), (20, 11238772), (40, 5619386), (80, 2809693), (109, 2062160), (149, 1508560), (173, 1299280), (218, 1031080), (298, 754280), (346, 649640), (436, 515540), (545, 412432), (596, 377140), (692, 324820), (745, 301712), (865, 259856), (872, 257770), (1090, 206216), (1192, 188570), (1384, 162410), (1490, 150856), (1730, 129928), (1744, 128885), (2180, 103108), (2384, 94285), (2768, 81205), (2980, 75428), (3460, 64964), (4360, 51554), (5960, 37714), (6920, 32482), (8720, 25777), (11920, 18857), (13840, 16241)]