244277720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 559548000

約数和(自身を除く): 315270280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 179, 218, 313, 358, 436, 545, 626, 716, 872, 895, 1090, 1252, 1432, 1565, 1790, 2180, 2504, 3130, 3580, 4360, 6260, 7160, 12520, 19511, 34117, 39022, 56027, 68234, 78044, 97555, 112054, 136468, 156088, 170585, 195110, 224108, 272936, 280135, 341170, 390220, 448216, 560270, 682340, 780440, 1120540, 1364680, 2241080, 6106943, 12213886, 24427772, 30534715, 48855544, 61069430, 122138860, 244277720]

約数ペア:

[(1, 244277720), (2, 122138860), (4, 61069430), (5, 48855544), (8, 30534715), (10, 24427772), (20, 12213886), (40, 6106943), (109, 2241080), (179, 1364680), (218, 1120540), (313, 780440), (358, 682340), (436, 560270), (545, 448216), (626, 390220), (716, 341170), (872, 280135), (895, 272936), (1090, 224108), (1252, 195110), (1432, 170585), (1565, 156088), (1790, 136468), (2180, 112054), (2504, 97555), (3130, 78044), (3580, 68234), (4360, 56027), (6260, 39022), (7160, 34117), (12520, 19511)]