138889240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26107}}^1$

素因数の和:26144

約数の個数: 64

約数和(自身を含む): 375955200

約数和(自身を除く): 237065960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 26107, 52214, 104428, 130535, 182749, 208856, 261070, 365498, 496033, 522140, 730996, 913745, 992066, 1044280, 1461992, 1827490, 1984132, 2480165, 3472231, 3654980, 3968264, 4960330, 6944462, 7309960, 9920660, 13888924, 17361155, 19841320, 27777848, 34722310, 69444620, 138889240]

約数ペア:

[(1, 138889240), (2, 69444620), (4, 34722310), (5, 27777848), (7, 19841320), (8, 17361155), (10, 13888924), (14, 9920660), (19, 7309960), (20, 6944462), (28, 4960330), (35, 3968264), (38, 3654980), (40, 3472231), (56, 2480165), (70, 1984132), (76, 1827490), (95, 1461992), (133, 1044280), (140, 992066), (152, 913745), (190, 730996), (266, 522140), (280, 496033), (380, 365498), (532, 261070), (665, 208856), (760, 182749), (1064, 130535), (1330, 104428), (2660, 52214), (5320, 26107)]