214195280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205957}}^1$

素因数の和:205983

約数の個数: 40

約数和(自身を含む): 536314632

約数和(自身を除く): 322119352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 205957, 411914, 823828, 1029785, 1647656, 2059570, 2677441, 3295312, 4119140, 5354882, 8238280, 10709764, 13387205, 16476560, 21419528, 26774410, 42839056, 53548820, 107097640, 214195280]

約数ペア:

[(1, 214195280), (2, 107097640), (4, 53548820), (5, 42839056), (8, 26774410), (10, 21419528), (13, 16476560), (16, 13387205), (20, 10709764), (26, 8238280), (40, 5354882), (52, 4119140), (65, 3295312), (80, 2677441), (104, 2059570), (130, 1647656), (208, 1029785), (260, 823828), (520, 411914), (1040, 205957)]