1301180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 2993760

約数和(自身を除く): 1692580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 89, 170, 172, 178, 215, 340, 356, 430, 445, 731, 860, 890, 1462, 1513, 1780, 2924, 3026, 3655, 3827, 6052, 7310, 7565, 7654, 14620, 15130, 15308, 19135, 30260, 38270, 65059, 76540, 130118, 260236, 325295, 650590, 1301180]

約数ペア:

[(1, 1301180), (2, 650590), (4, 325295), (5, 260236), (10, 130118), (17, 76540), (20, 65059), (34, 38270), (43, 30260), (68, 19135), (85, 15308), (86, 15130), (89, 14620), (170, 7654), (172, 7565), (178, 7310), (215, 6052), (340, 3827), (356, 3655), (430, 3026), (445, 2924), (731, 1780), (860, 1513), (890, 1462)]