31486070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 71525376

約数和(自身を除く): 40039306

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 103, 110, 154, 206, 385, 397, 515, 721, 770, 794, 1030, 1133, 1442, 1985, 2266, 2779, 3605, 3970, 4367, 5558, 5665, 7210, 7931, 8734, 11330, 13895, 15862, 21835, 27790, 30569, 39655, 40891, 43670, 61138, 79310, 81782, 152845, 204455, 286237, 305690, 408910, 449801, 572474, 899602, 1431185, 2249005, 2862370, 3148607, 4498010, 6297214, 15743035, 31486070]

約数ペア:

[(1, 31486070), (2, 15743035), (5, 6297214), (7, 4498010), (10, 3148607), (11, 2862370), (14, 2249005), (22, 1431185), (35, 899602), (55, 572474), (70, 449801), (77, 408910), (103, 305690), (110, 286237), (154, 204455), (206, 152845), (385, 81782), (397, 79310), (515, 61138), (721, 43670), (770, 40891), (794, 39655), (1030, 30569), (1133, 27790), (1442, 21835), (1985, 15862), (2266, 13895), (2779, 11330), (3605, 8734), (3970, 7931), (4367, 7210), (5558, 5665)]