1686996890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{719}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 3275251200

約数和(自身を除く): 1588254310

約数列:

[1, 2, 5, 10, 19, 38, 53, 95, 106, 190, 233, 265, 466, 530, 719, 1007, 1165, 1438, 2014, 2330, 3595, 4427, 5035, 7190, 8854, 10070, 12349, 13661, 22135, 24698, 27322, 38107, 44270, 61745, 68305, 76214, 123490, 136610, 167527, 190535, 234631, 335054, 381070, 469262, 724033, 837635, 1173155, 1448066, 1675270, 2346310, 3183013, 3620165, 6366026, 7240330, 8878931, 15915065, 17757862, 31830130, 44394655, 88789310, 168699689, 337399378, 843498445, 1686996890]

約数ペア:

[(1, 1686996890), (2, 843498445), (5, 337399378), (10, 168699689), (19, 88789310), (38, 44394655), (53, 31830130), (95, 17757862), (106, 15915065), (190, 8878931), (233, 7240330), (265, 6366026), (466, 3620165), (530, 3183013), (719, 2346310), (1007, 1675270), (1165, 1448066), (1438, 1173155), (2014, 837635), (2330, 724033), (3595, 469262), (4427, 381070), (5035, 335054), (7190, 234631), (8854, 190535), (10070, 167527), (12349, 136610), (13661, 123490), (22135, 76214), (24698, 68305), (27322, 61745), (38107, 44270)]