7884380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 19084800

約数和(自身を除く): 11200420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 283, 398, 566, 796, 995, 1132, 1393, 1415, 1981, 1990, 2786, 2830, 3962, 3980, 5572, 5660, 6965, 7924, 9905, 13930, 19810, 27860, 39620, 56317, 112634, 225268, 281585, 394219, 563170, 788438, 1126340, 1576876, 1971095, 3942190, 7884380]

約数ペア:

[(1, 7884380), (2, 3942190), (4, 1971095), (5, 1576876), (7, 1126340), (10, 788438), (14, 563170), (20, 394219), (28, 281585), (35, 225268), (70, 112634), (140, 56317), (199, 39620), (283, 27860), (398, 19810), (566, 13930), (796, 9905), (995, 7924), (1132, 6965), (1393, 5660), (1415, 5572), (1981, 3980), (1990, 3962), (2786, 2830)]