222740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 561792

約数和(自身を除く): 339052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 43, 70, 74, 86, 140, 148, 172, 185, 215, 259, 301, 370, 430, 518, 602, 740, 860, 1036, 1204, 1295, 1505, 1591, 2590, 3010, 3182, 5180, 6020, 6364, 7955, 11137, 15910, 22274, 31820, 44548, 55685, 111370, 222740]

約数ペア:

[(1, 222740), (2, 111370), (4, 55685), (5, 44548), (7, 31820), (10, 22274), (14, 15910), (20, 11137), (28, 7955), (35, 6364), (37, 6020), (43, 5180), (70, 3182), (74, 3010), (86, 2590), (140, 1591), (148, 1505), (172, 1295), (185, 1204), (215, 1036), (259, 860), (301, 740), (370, 602), (430, 518)]