69970090

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{21139}}^1$

素因数の和:21477

約数の個数: 16

約数和(自身を含む): 126332640

約数和(自身を除く): 56362550

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 21139, 42278, 105695, 211390, 6997009, 13994018, 34985045, 69970090]

約数ペア:

[(1, 69970090), (2, 34985045), (5, 13994018), (10, 6997009), (331, 211390), (662, 105695), (1655, 42278), (3310, 21139)]