279480880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26267}}^1$

素因数の和:26306

約数の個数: 80

約数和(自身を含む): 781735680

約数和(自身を除く): 502254800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 26267, 52534, 105068, 131335, 183869, 210136, 262670, 367738, 420272, 499073, 525340, 735476, 919345, 998146, 1050680, 1470952, 1838690, 1996292, 2101360, 2495365, 2941904, 3493511, 3677380, 3992584, 4990730, 6987022, 7354760, 7985168, 9981460, 13974044, 14709520, 17467555, 19962920, 27948088, 34935110, 39925840, 55896176, 69870220, 139740440, 279480880]

約数ペア:

[(1, 279480880), (2, 139740440), (4, 69870220), (5, 55896176), (7, 39925840), (8, 34935110), (10, 27948088), (14, 19962920), (16, 17467555), (19, 14709520), (20, 13974044), (28, 9981460), (35, 7985168), (38, 7354760), (40, 6987022), (56, 4990730), (70, 3992584), (76, 3677380), (80, 3493511), (95, 2941904), (112, 2495365), (133, 2101360), (140, 1996292), (152, 1838690), (190, 1470952), (266, 1050680), (280, 998146), (304, 919345), (380, 735476), (532, 525340), (560, 499073), (665, 420272), (760, 367738), (1064, 262670), (1330, 210136), (1520, 183869), (2128, 131335), (2660, 105068), (5320, 52534), (10640, 26267)]