209580521650

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{2753}}^1\times {\mathrm{20857}}^1$

素因数の和:23695

約数の個数: 48

約数和(自身を含む): 395322258024

約数和(自身を除く): 185741736374

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 2753, 3650, 5506, 13765, 20857, 27530, 41714, 68825, 104285, 137650, 200969, 208570, 401938, 521425, 1004845, 1042850, 1522561, 2009690, 3045122, 5024225, 7612805, 10048450, 15225610, 38064025, 57419321, 76128050, 114838642, 287096605, 574193210, 1435483025, 2870966050, 4191610433, 8383220866, 20958052165, 41916104330, 104790260825, 209580521650]

約数ペア:

[(1, 209580521650), (2, 104790260825), (5, 41916104330), (10, 20958052165), (25, 8383220866), (50, 4191610433), (73, 2870966050), (146, 1435483025), (365, 574193210), (730, 287096605), (1825, 114838642), (2753, 76128050), (3650, 57419321), (5506, 38064025), (13765, 15225610), (20857, 10048450), (27530, 7612805), (41714, 5024225), (68825, 3045122), (104285, 2009690), (137650, 1522561), (200969, 1042850), (208570, 1004845), (401938, 521425)]