268510660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{64237}}^1$

素因数の和:64276

約数の個数: 48

約数和(自身を含む): 647519040

約数和(自身を除く): 379008380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 64237, 128474, 256948, 321185, 642370, 706607, 1220503, 1284740, 1413214, 2441006, 2826428, 3533035, 4882012, 6102515, 7066070, 12205030, 13425533, 14132140, 24410060, 26851066, 53702132, 67127665, 134255330, 268510660]

約数ペア:

[(1, 268510660), (2, 134255330), (4, 67127665), (5, 53702132), (10, 26851066), (11, 24410060), (19, 14132140), (20, 13425533), (22, 12205030), (38, 7066070), (44, 6102515), (55, 4882012), (76, 3533035), (95, 2826428), (110, 2441006), (190, 1413214), (209, 1284740), (220, 1220503), (380, 706607), (418, 642370), (836, 321185), (1045, 256948), (2090, 128474), (4180, 64237)]