12950740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 31201632

約数和(自身を除く): 18250892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 43, 44, 55, 74, 86, 110, 148, 172, 185, 215, 220, 370, 407, 430, 473, 740, 814, 860, 946, 1369, 1591, 1628, 1892, 2035, 2365, 2738, 3182, 4070, 4730, 5476, 6364, 6845, 7955, 8140, 9460, 13690, 15059, 15910, 17501, 27380, 30118, 31820, 35002, 58867, 60236, 70004, 75295, 87505, 117734, 150590, 175010, 235468, 294335, 301180, 350020, 588670, 647537, 1177340, 1295074, 2590148, 3237685, 6475370, 12950740]

約数ペア:

[(1, 12950740), (2, 6475370), (4, 3237685), (5, 2590148), (10, 1295074), (11, 1177340), (20, 647537), (22, 588670), (37, 350020), (43, 301180), (44, 294335), (55, 235468), (74, 175010), (86, 150590), (110, 117734), (148, 87505), (172, 75295), (185, 70004), (215, 60236), (220, 58867), (370, 35002), (407, 31820), (430, 30118), (473, 27380), (740, 17501), (814, 15910), (860, 15059), (946, 13690), (1369, 9460), (1591, 8140), (1628, 7955), (1892, 6845), (2035, 6364), (2365, 5476), (2738, 4730), (3182, 4070)]