281339420

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{13159}}^1$

素因数の和:14237

約数の個数: 24

約数和(自身を含む): 591410400

約数和(自身を除く): 310070980

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 4276, 5345, 10690, 13159, 21380, 26318, 52636, 65795, 131590, 263180, 14066971, 28133942, 56267884, 70334855, 140669710, 281339420]

約数ペア:

[(1, 281339420), (2, 140669710), (4, 70334855), (5, 56267884), (10, 28133942), (20, 14066971), (1069, 263180), (2138, 131590), (4276, 65795), (5345, 52636), (10690, 26318), (13159, 21380)]