248520239630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1\times {\mathrm{41621}}^1$

素因数の和:43661

約数の個数: 64

約数和(自身を含む): 502956252288

約数和(自身を除く): 254436012658

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 1997, 2990, 3994, 9985, 19970, 25961, 41621, 45931, 51922, 83242, 91862, 129805, 208105, 229655, 259610, 416210, 459310, 541073, 597103, 957283, 1082146, 1194206, 1914566, 2705365, 2985515, 4786415, 5410730, 5971030, 9572830, 12444679, 24889358, 62223395, 83117137, 124446790, 166234274, 415585685, 831171370, 1080522781, 1911694151, 2161045562, 3823388302, 5402613905, 9558470755, 10805227810, 19116941510, 24852023963, 49704047926, 124260119815, 248520239630]

約数ペア:

[(1, 248520239630), (2, 124260119815), (5, 49704047926), (10, 24852023963), (13, 19116941510), (23, 10805227810), (26, 9558470755), (46, 5402613905), (65, 3823388302), (115, 2161045562), (130, 1911694151), (230, 1080522781), (299, 831171370), (598, 415585685), (1495, 166234274), (1997, 124446790), (2990, 83117137), (3994, 62223395), (9985, 24889358), (19970, 12444679), (25961, 9572830), (41621, 5971030), (45931, 5410730), (51922, 4786415), (83242, 2985515), (91862, 2705365), (129805, 1914566), (208105, 1194206), (229655, 1082146), (259610, 957283), (416210, 597103), (459310, 541073)]