90728210

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{19853}}^1$

素因数の和:20317

約数の個数: 16

約数和(自身を含む): 163676376

約数和(自身を除く): 72948166

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4570, 19853, 39706, 99265, 198530, 9072821, 18145642, 45364105, 90728210]

約数ペア:

[(1, 90728210), (2, 45364105), (5, 18145642), (10, 9072821), (457, 198530), (914, 99265), (2285, 39706), (4570, 19853)]