127745260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1669}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 277754400

約数和(自身を除く): 150009140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1669, 1780, 3338, 3827, 6676, 7654, 8345, 15308, 16690, 19135, 33380, 38270, 71767, 76540, 143534, 148541, 287068, 297082, 358835, 594164, 717670, 742705, 1435340, 1485410, 2970820, 6387263, 12774526, 25549052, 31936315, 63872630, 127745260]

約数ペア:

[(1, 127745260), (2, 63872630), (4, 31936315), (5, 25549052), (10, 12774526), (20, 6387263), (43, 2970820), (86, 1485410), (89, 1435340), (172, 742705), (178, 717670), (215, 594164), (356, 358835), (430, 297082), (445, 287068), (860, 148541), (890, 143534), (1669, 76540), (1780, 71767), (3338, 38270), (3827, 33380), (6676, 19135), (7654, 16690), (8345, 15308)]