45178180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1493}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 101651760

約数和(自身を除く): 56473580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 170, 178, 340, 356, 445, 890, 1493, 1513, 1780, 2986, 3026, 5972, 6052, 7465, 7565, 14930, 15130, 25381, 29860, 30260, 50762, 101524, 126905, 132877, 253810, 265754, 507620, 531508, 664385, 1328770, 2258909, 2657540, 4517818, 9035636, 11294545, 22589090, 45178180]

約数ペア:

[(1, 45178180), (2, 22589090), (4, 11294545), (5, 9035636), (10, 4517818), (17, 2657540), (20, 2258909), (34, 1328770), (68, 664385), (85, 531508), (89, 507620), (170, 265754), (178, 253810), (340, 132877), (356, 126905), (445, 101524), (890, 50762), (1493, 30260), (1513, 29860), (1780, 25381), (2986, 15130), (3026, 14930), (5972, 7565), (6052, 7465)]