202158040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31391}}^1$

素因数の和:31432

約数の個数: 64

約数和(自身を含む): 542453760

約数和(自身を除く): 340295720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 31391, 62782, 125564, 156955, 219737, 251128, 313910, 439474, 627820, 721993, 878948, 1098685, 1255640, 1443986, 1757896, 2197370, 2887972, 3609965, 4394740, 5053951, 5775944, 7219930, 8789480, 10107902, 14439860, 20215804, 25269755, 28879720, 40431608, 50539510, 101079020, 202158040]

約数ペア:

[(1, 202158040), (2, 101079020), (4, 50539510), (5, 40431608), (7, 28879720), (8, 25269755), (10, 20215804), (14, 14439860), (20, 10107902), (23, 8789480), (28, 7219930), (35, 5775944), (40, 5053951), (46, 4394740), (56, 3609965), (70, 2887972), (92, 2197370), (115, 1757896), (140, 1443986), (161, 1255640), (184, 1098685), (230, 878948), (280, 721993), (322, 627820), (460, 439474), (644, 313910), (805, 251128), (920, 219737), (1288, 156955), (1610, 125564), (3220, 62782), (6440, 31391)]