8831620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 21369600

約数和(自身を除く): 12537980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 317, 398, 634, 796, 995, 1268, 1393, 1585, 1990, 2219, 2786, 3170, 3980, 4438, 5572, 6340, 6965, 8876, 11095, 13930, 22190, 27860, 44380, 63083, 126166, 252332, 315415, 441581, 630830, 883162, 1261660, 1766324, 2207905, 4415810, 8831620]

約数ペア:

[(1, 8831620), (2, 4415810), (4, 2207905), (5, 1766324), (7, 1261660), (10, 883162), (14, 630830), (20, 441581), (28, 315415), (35, 252332), (70, 126166), (140, 63083), (199, 44380), (317, 27860), (398, 22190), (634, 13930), (796, 11095), (995, 8876), (1268, 6965), (1393, 6340), (1585, 5572), (1990, 4438), (2219, 3980), (2786, 3170)]