201620830

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1704

約数の個数: 32

約数和(自身を含む): 370137600

約数和(自身を除く): 168516770

約数列:

[1, 2, 5, 10, 71, 142, 199, 355, 398, 710, 995, 1427, 1990, 2854, 7135, 14129, 14270, 28258, 70645, 101317, 141290, 202634, 283973, 506585, 567946, 1013170, 1419865, 2839730, 20162083, 40324166, 100810415, 201620830]

約数ペア:

[(1, 201620830), (2, 100810415), (5, 40324166), (10, 20162083), (71, 2839730), (142, 1419865), (199, 1013170), (355, 567946), (398, 506585), (710, 283973), (995, 202634), (1427, 141290), (1990, 101317), (2854, 70645), (7135, 28258), (14129, 14270)]