137425240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 316252800

約数和(自身を除く): 178827560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 157, 158, 277, 314, 316, 395, 554, 628, 632, 785, 790, 1108, 1256, 1385, 1570, 1580, 2216, 2770, 3140, 3160, 5540, 6280, 11080, 12403, 21883, 24806, 43489, 43766, 49612, 62015, 86978, 87532, 99224, 109415, 124030, 173956, 175064, 217445, 218830, 248060, 347912, 434890, 437660, 496120, 869780, 875320, 1739560, 3435631, 6871262, 13742524, 17178155, 27485048, 34356310, 68712620, 137425240]

約数ペア:

[(1, 137425240), (2, 68712620), (4, 34356310), (5, 27485048), (8, 17178155), (10, 13742524), (20, 6871262), (40, 3435631), (79, 1739560), (157, 875320), (158, 869780), (277, 496120), (314, 437660), (316, 434890), (395, 347912), (554, 248060), (628, 218830), (632, 217445), (785, 175064), (790, 173956), (1108, 124030), (1256, 109415), (1385, 99224), (1570, 87532), (1580, 86978), (2216, 62015), (2770, 49612), (3140, 43766), (3160, 43489), (5540, 24806), (6280, 21883), (11080, 12403)]