203559910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 372081600

約数和(自身を除く): 168521690

約数列:

[1, 2, 5, 10, 89, 178, 439, 445, 521, 878, 890, 1042, 2195, 2605, 4390, 5210, 39071, 46369, 78142, 92738, 195355, 228719, 231845, 390710, 457438, 463690, 1143595, 2287190, 20355991, 40711982, 101779955, 203559910]

約数ペア:

[(1, 203559910), (2, 101779955), (5, 40711982), (10, 20355991), (89, 2287190), (178, 1143595), (439, 463690), (445, 457438), (521, 390710), (878, 231845), (890, 228719), (1042, 195355), (2195, 92738), (2605, 78142), (4390, 46369), (5210, 39071)]