401782270

素因数分解:

$2^1\times 5^1\times {\mathrm{9923}}^1\times {\mathrm{4049}}^1$

素因数の和:13979

約数の個数: 16

約数和(自身を含む): 723459600

約数和(自身を除く): 321677330

約数列:

[1, 2, 5, 10, 4049, 8098, 9923, 19846, 20245, 40490, 49615, 99230, 40178227, 80356454, 200891135, 401782270]

約数ペア:

[(1, 401782270), (2, 200891135), (5, 80356454), (10, 40178227), (4049, 99230), (8098, 49615), (9923, 40490), (19846, 20245)]