438967730

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{20201}}^1$

素因数の和:20302

約数の個数: 32

約数和(自身を含む): 824726448

約数和(自身を除く): 385758718

約数列:

[1, 2, 5, 10, 41, 53, 82, 106, 205, 265, 410, 530, 2173, 4346, 10865, 20201, 21730, 40402, 101005, 202010, 828241, 1070653, 1656482, 2141306, 4141205, 5353265, 8282410, 10706530, 43896773, 87793546, 219483865, 438967730]

約数ペア:

[(1, 438967730), (2, 219483865), (5, 87793546), (10, 43896773), (41, 10706530), (53, 8282410), (82, 5353265), (106, 4141205), (205, 2141306), (265, 1656482), (410, 1070653), (530, 828241), (2173, 202010), (4346, 101005), (10865, 40402), (20201, 21730)]