664892780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{2543}}^1$

素因数の和:3338

約数の個数: 48

約数和(自身を含む): 1480913280

約数和(自身を除く): 816020500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 769, 1538, 2543, 3076, 3845, 5086, 7690, 10172, 12715, 13073, 15380, 25430, 26146, 43231, 50860, 52292, 65365, 86462, 130730, 172924, 216155, 261460, 432310, 864620, 1955567, 3911134, 7822268, 9777835, 19555670, 33244639, 39111340, 66489278, 132978556, 166223195, 332446390, 664892780]

約数ペア:

[(1, 664892780), (2, 332446390), (4, 166223195), (5, 132978556), (10, 66489278), (17, 39111340), (20, 33244639), (34, 19555670), (68, 9777835), (85, 7822268), (170, 3911134), (340, 1955567), (769, 864620), (1538, 432310), (2543, 261460), (3076, 216155), (3845, 172924), (5086, 130730), (7690, 86462), (10172, 65365), (12715, 52292), (13073, 50860), (15380, 43231), (25430, 26146)]