19710950

素因数分解:

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

素因数の和:501

約数の個数: 48

約数和(自身を含む): 42259200

約数和(自身を除く): 22548250

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 199, 283, 350, 398, 566, 995, 1393, 1415, 1981, 1990, 2786, 2830, 3962, 4975, 6965, 7075, 9905, 9950, 13930, 14150, 19810, 34825, 49525, 56317, 69650, 99050, 112634, 281585, 394219, 563170, 788438, 1407925, 1971095, 2815850, 3942190, 9855475, 19710950]

約数ペア:

[(1, 19710950), (2, 9855475), (5, 3942190), (7, 2815850), (10, 1971095), (14, 1407925), (25, 788438), (35, 563170), (50, 394219), (70, 281585), (175, 112634), (199, 99050), (283, 69650), (350, 56317), (398, 49525), (566, 34825), (995, 19810), (1393, 14150), (1415, 13930), (1981, 9950), (1990, 9905), (2786, 7075), (2830, 6965), (3962, 4975)]