203205890

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{155119}}^1$

素因数の和:155257

約数の個数: 16

約数和(自身を含む): 368565120

約数和(自身を除く): 165359230

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 155119, 310238, 775595, 1551190, 20320589, 40641178, 101602945, 203205890]

約数ペア:

[(1, 203205890), (2, 101602945), (5, 40641178), (10, 20320589), (131, 1551190), (262, 775595), (655, 310238), (1310, 155119)]