427808210

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1\times {\mathrm{1201}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 778896000

約数和(自身を除く): 351087790

約数列:

[1, 2, 5, 10, 179, 199, 358, 398, 895, 995, 1201, 1790, 1990, 2402, 6005, 12010, 35621, 71242, 178105, 214979, 238999, 356210, 429958, 477998, 1074895, 1194995, 2149790, 2389990, 42780821, 85561642, 213904105, 427808210]

約数ペア:

[(1, 427808210), (2, 213904105), (5, 85561642), (10, 42780821), (179, 2389990), (199, 2149790), (358, 1194995), (398, 1074895), (895, 477998), (995, 429958), (1201, 356210), (1790, 238999), (1990, 214979), (2402, 178105), (6005, 71242), (12010, 35621)]