51690380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{877}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 124493376

約数和(自身を除く): 72802996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 877, 1684, 1754, 2105, 2947, 3508, 4210, 4385, 5894, 6139, 8420, 8770, 11788, 12278, 14735, 17540, 24556, 29470, 30695, 58940, 61390, 122780, 369217, 738434, 1476868, 1846085, 2584519, 3692170, 5169038, 7384340, 10338076, 12922595, 25845190, 51690380]

約数ペア:

[(1, 51690380), (2, 25845190), (4, 12922595), (5, 10338076), (7, 7384340), (10, 5169038), (14, 3692170), (20, 2584519), (28, 1846085), (35, 1476868), (70, 738434), (140, 369217), (421, 122780), (842, 61390), (877, 58940), (1684, 30695), (1754, 29470), (2105, 24556), (2947, 17540), (3508, 14735), (4210, 12278), (4385, 11788), (5894, 8770), (6139, 8420)]