1400425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 1944320

約数和(自身を除く): 543895

約数列:

[1, 5, 13, 25, 31, 65, 139, 155, 325, 403, 695, 775, 1807, 2015, 3475, 4309, 9035, 10075, 21545, 45175, 56017, 107725, 280085, 1400425]

約数ペア:

[(1, 1400425), (5, 280085), (13, 107725), (25, 56017), (31, 45175), (65, 21545), (139, 10075), (155, 9035), (325, 4309), (403, 3475), (695, 2015), (775, 1807)]