201918170

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 367685136

約数和(自身を除く): 165766966

約数列:

[1, 2, 5, 10, 181, 281, 362, 397, 562, 794, 905, 1405, 1810, 1985, 2810, 3970, 50861, 71857, 101722, 111557, 143714, 223114, 254305, 359285, 508610, 557785, 718570, 1115570, 20191817, 40383634, 100959085, 201918170]

約数ペア:

[(1, 201918170), (2, 100959085), (5, 40383634), (10, 20191817), (181, 1115570), (281, 718570), (362, 557785), (397, 508610), (562, 359285), (794, 254305), (905, 223114), (1405, 143714), (1810, 111557), (1985, 101722), (2810, 71857), (3970, 50861)]