83971790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 176677200

約数和(自身を除く): 92705410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 409, 419, 490, 818, 838, 2045, 2095, 2863, 2933, 4090, 4190, 5726, 5866, 14315, 14665, 20041, 20531, 28630, 29330, 40082, 41062, 100205, 102655, 171371, 200410, 205310, 342742, 856855, 1199597, 1713710, 2399194, 5997985, 8397179, 11995970, 16794358, 41985895, 83971790]

約数ペア:

[(1, 83971790), (2, 41985895), (5, 16794358), (7, 11995970), (10, 8397179), (14, 5997985), (35, 2399194), (49, 1713710), (70, 1199597), (98, 856855), (245, 342742), (409, 205310), (419, 200410), (490, 171371), (818, 102655), (838, 100205), (2045, 41062), (2095, 40082), (2863, 29330), (2933, 28630), (4090, 20531), (4190, 20041), (5726, 14665), (5866, 14315)]