68530028

素因数分解:

$2^2\times 7^3\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 141120000

約数和(自身を除く): 72589972

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 251, 343, 398, 502, 686, 796, 1004, 1372, 1393, 1757, 2786, 3514, 5572, 7028, 9751, 12299, 19502, 24598, 39004, 49196, 49949, 68257, 86093, 99898, 136514, 172186, 199796, 273028, 344372, 349643, 699286, 1398572, 2447501, 4895002, 9790004, 17132507, 34265014, 68530028]

約数ペア:

[(1, 68530028), (2, 34265014), (4, 17132507), (7, 9790004), (14, 4895002), (28, 2447501), (49, 1398572), (98, 699286), (196, 349643), (199, 344372), (251, 273028), (343, 199796), (398, 172186), (502, 136514), (686, 99898), (796, 86093), (1004, 68257), (1372, 49949), (1393, 49196), (1757, 39004), (2786, 24598), (3514, 19502), (5572, 12299), (7028, 9751)]