209958740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{552523}}^1$

素因数の和:552551

約数の個数: 24

約数和(自身を含む): 464120160

約数和(自身を除く): 254161420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 552523, 1105046, 2210092, 2762615, 5525230, 10497937, 11050460, 20995874, 41991748, 52489685, 104979370, 209958740]

約数ペア:

[(1, 209958740), (2, 104979370), (4, 52489685), (5, 41991748), (10, 20995874), (19, 11050460), (20, 10497937), (38, 5525230), (76, 2762615), (95, 2210092), (190, 1105046), (380, 552523)]