138937960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13411}}^1$

素因数の和:13466

約数の個数: 64

約数和(自身を含む): 366952320

約数和(自身を除く): 228014360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 13411, 26822, 53644, 67055, 93877, 107288, 134110, 187754, 268220, 375508, 469385, 496207, 536440, 751016, 938770, 992414, 1877540, 1984828, 2481035, 3473449, 3755080, 3969656, 4962070, 6946898, 9924140, 13893796, 17367245, 19848280, 27787592, 34734490, 69468980, 138937960]

約数ペア:

[(1, 138937960), (2, 69468980), (4, 34734490), (5, 27787592), (7, 19848280), (8, 17367245), (10, 13893796), (14, 9924140), (20, 6946898), (28, 4962070), (35, 3969656), (37, 3755080), (40, 3473449), (56, 2481035), (70, 1984828), (74, 1877540), (140, 992414), (148, 938770), (185, 751016), (259, 536440), (280, 496207), (296, 469385), (370, 375508), (518, 268220), (740, 187754), (1036, 134110), (1295, 107288), (1480, 93877), (2072, 67055), (2590, 53644), (5180, 26822), (10360, 13411)]