253607980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{294893}}^1$

素因数の和:294945

約数の個数: 24

約数和(自身を含む): 544964112

約数和(自身を除く): 291356132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 294893, 589786, 1179572, 1474465, 2948930, 5897860, 12680399, 25360798, 50721596, 63401995, 126803990, 253607980]

約数ペア:

[(1, 253607980), (2, 126803990), (4, 63401995), (5, 50721596), (10, 25360798), (20, 12680399), (43, 5897860), (86, 2948930), (172, 1474465), (215, 1179572), (430, 589786), (860, 294893)]