284538890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{400759}}^1$

素因数の和:400837

約数の個数: 16

約数和(自身を含む): 519384960

約数和(自身を除く): 234846070

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 400759, 801518, 2003795, 4007590, 28453889, 56907778, 142269445, 284538890]

約数ペア:

[(1, 284538890), (2, 142269445), (5, 56907778), (10, 28453889), (71, 4007590), (142, 2003795), (355, 801518), (710, 400759)]