879304040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{28219}}^1$

素因数の和:28290

約数の個数: 64

約数和(自身を含む): 2133432000

約数和(自身を除く): 1254127960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 28219, 31160, 56438, 112876, 141095, 225752, 282190, 536161, 564380, 1072322, 1128760, 1156979, 2144644, 2313958, 2680805, 4289288, 4627916, 5361610, 5784895, 9255832, 10723220, 11569790, 21446440, 21982601, 23139580, 43965202, 46279160, 87930404, 109913005, 175860808, 219826010, 439652020, 879304040]

約数ペア:

[(1, 879304040), (2, 439652020), (4, 219826010), (5, 175860808), (8, 109913005), (10, 87930404), (19, 46279160), (20, 43965202), (38, 23139580), (40, 21982601), (41, 21446440), (76, 11569790), (82, 10723220), (95, 9255832), (152, 5784895), (164, 5361610), (190, 4627916), (205, 4289288), (328, 2680805), (380, 2313958), (410, 2144644), (760, 1156979), (779, 1128760), (820, 1072322), (1558, 564380), (1640, 536161), (3116, 282190), (3895, 225752), (6232, 141095), (7790, 112876), (15580, 56438), (28219, 31160)]