1384720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{911}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 3392640

約数和(自身を除く): 2007920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 911, 1520, 1822, 3644, 4555, 7288, 9110, 14576, 17309, 18220, 34618, 36440, 69236, 72880, 86545, 138472, 173090, 276944, 346180, 692360, 1384720]

約数ペア:

[(1, 1384720), (2, 692360), (4, 346180), (5, 276944), (8, 173090), (10, 138472), (16, 86545), (19, 72880), (20, 69236), (38, 36440), (40, 34618), (76, 18220), (80, 17309), (95, 14576), (152, 9110), (190, 7288), (304, 4555), (380, 3644), (760, 1822), (911, 1520)]