214622890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{21701}}^1$

素因数の和:21774

約数の個数: 32

約数和(自身を含む): 412511616

約数和(自身を除く): 197888726

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 21701, 43402, 108505, 217010, 499123, 933143, 998246, 1866286, 2495615, 4665715, 4991230, 9331430, 21462289, 42924578, 107311445, 214622890]

約数ペア:

[(1, 214622890), (2, 107311445), (5, 42924578), (10, 21462289), (23, 9331430), (43, 4991230), (46, 4665715), (86, 2495615), (115, 1866286), (215, 998246), (230, 933143), (430, 499123), (989, 217010), (1978, 108505), (4945, 43402), (9890, 21701)]