201452980

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{64157}}^1$

素因数の和:64323

約数の個数: 24

約数和(自身を含む): 425752488

約数和(自身を除く): 224299508

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 64157, 128314, 256628, 320785, 641570, 1283140, 10072649, 20145298, 40290596, 50363245, 100726490, 201452980]

約数ペア:

[(1, 201452980), (2, 100726490), (4, 50363245), (5, 40290596), (10, 20145298), (20, 10072649), (157, 1283140), (314, 641570), (628, 320785), (785, 256628), (1570, 128314), (3140, 64157)]