350020

素因数分解:

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

素因数の和:100

約数の個数: 48

約数和(自身を含む): 842688

約数和(自身を除く): 492668

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, 1591, 1628, 1892, 2035, 2365, 3182, 4070, 4730, 6364, 7955, 8140, 9460, 15910, 17501, 31820, 35002, 70004, 87505, 175010, 350020]

約数ペア:

[(1, 350020), (2, 175010), (4, 87505), (5, 70004), (10, 35002), (11, 31820), (20, 17501), (22, 15910), (37, 9460), (43, 8140), (44, 7955), (55, 6364), (74, 4730), (86, 4070), (110, 3182), (148, 2365), (172, 2035), (185, 1892), (215, 1628), (220, 1591), (370, 946), (407, 860), (430, 814), (473, 740)]