2940440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 7192800

約数和(自身を除く): 4252360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 73, 76, 95, 106, 146, 152, 190, 212, 265, 292, 365, 380, 424, 530, 584, 730, 760, 1007, 1060, 1387, 1460, 2014, 2120, 2774, 2920, 3869, 4028, 5035, 5548, 6935, 7738, 8056, 10070, 11096, 13870, 15476, 19345, 20140, 27740, 30952, 38690, 40280, 55480, 73511, 77380, 147022, 154760, 294044, 367555, 588088, 735110, 1470220, 2940440]

約数ペア:

[(1, 2940440), (2, 1470220), (4, 735110), (5, 588088), (8, 367555), (10, 294044), (19, 154760), (20, 147022), (38, 77380), (40, 73511), (53, 55480), (73, 40280), (76, 38690), (95, 30952), (106, 27740), (146, 20140), (152, 19345), (190, 15476), (212, 13870), (265, 11096), (292, 10070), (365, 8056), (380, 7738), (424, 6935), (530, 5548), (584, 5035), (730, 4028), (760, 3869), (1007, 2920), (1060, 2774), (1387, 2120), (1460, 2014)]