198676480

素因数分解:

$2^{12}\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 104

約数和(自身を含む): 486545400

約数和(自身を除く): 287868920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 109, 128, 160, 178, 218, 256, 320, 356, 436, 445, 512, 545, 640, 712, 872, 890, 1024, 1090, 1280, 1424, 1744, 1780, 2048, 2180, 2560, 2848, 3488, 3560, 4096, 4360, 5120, 5696, 6976, 7120, 8720, 9701, 10240, 11392, 13952, 14240, 17440, 19402, 20480, 22784, 27904, 28480, 34880, 38804, 45568, 48505, 55808, 56960, 69760, 77608, 91136, 97010, 111616, 113920, 139520, 155216, 182272, 194020, 223232, 227840, 279040, 310432, 364544, 388040, 446464, 455680, 558080, 620864, 776080, 911360, 1116160, 1241728, 1552160, 1822720, 2232320, 2483456, 3104320, 4966912, 6208640, 9933824, 12417280, 19867648, 24834560, 39735296, 49669120, 99338240, 198676480]

約数ペア:

[(1, 198676480), (2, 99338240), (4, 49669120), (5, 39735296), (8, 24834560), (10, 19867648), (16, 12417280), (20, 9933824), (32, 6208640), (40, 4966912), (64, 3104320), (80, 2483456), (89, 2232320), (109, 1822720), (128, 1552160), (160, 1241728), (178, 1116160), (218, 911360), (256, 776080), (320, 620864), (356, 558080), (436, 455680), (445, 446464), (512, 388040), (545, 364544), (640, 310432), (712, 279040), (872, 227840), (890, 223232), (1024, 194020), (1090, 182272), (1280, 155216), (1424, 139520), (1744, 113920), (1780, 111616), (2048, 97010), (2180, 91136), (2560, 77608), (2848, 69760), (3488, 56960), (3560, 55808), (4096, 48505), (4360, 45568), (5120, 38804), (5696, 34880), (6976, 28480), (7120, 27904), (8720, 22784), (9701, 20480), (10240, 19402), (11392, 17440), (13952, 14240)]