61400990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{20399}}^1$

素因数の和:20456

約数の個数: 32

約数和(自身を含む): 129254400

約数和(自身を除く): 67853410

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 20399, 40798, 101995, 142793, 203990, 285586, 713965, 877157, 1427930, 1754314, 4385785, 6140099, 8771570, 12280198, 30700495, 61400990]

約数ペア:

[(1, 61400990), (2, 30700495), (5, 12280198), (7, 8771570), (10, 6140099), (14, 4385785), (35, 1754314), (43, 1427930), (70, 877157), (86, 713965), (215, 285586), (301, 203990), (430, 142793), (602, 101995), (1505, 40798), (3010, 20399)]