520087992500

素因数分解:

$2^2\times 5^4\times {\mathrm{199}}^1\times {\mathrm{859}}^1\times {\mathrm{1217}}^1$

素因数の和:2299

約数の個数: 120

約数和(自身を含む): 1145314632000

約数和(自身を除く): 625226639500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 625, 796, 859, 995, 1217, 1250, 1718, 1990, 2434, 2500, 3436, 3980, 4295, 4868, 4975, 6085, 8590, 9950, 12170, 17180, 19900, 21475, 24340, 24875, 30425, 42950, 49750, 60850, 85900, 99500, 107375, 121700, 124375, 152125, 170941, 214750, 242183, 248750, 304250, 341882, 429500, 484366, 497500, 536875, 608500, 683764, 760625, 854705, 968732, 1045403, 1073750, 1210915, 1521250, 1709410, 2090806, 2147500, 2421830, 3042500, 3418820, 4181612, 4273525, 4843660, 5227015, 6054575, 8547050, 10454030, 12109150, 17094100, 20908060, 21367625, 24218300, 26135075, 30272875, 42735250, 52270150, 60545750, 85470500, 104540300, 106838125, 121091500, 130675375, 151364375, 208035197, 213676250, 261350750, 302728750, 416070394, 427352500, 522701500, 605457500, 653376875, 832140788, 1040175985, 1306753750, 2080351970, 2613507500, 4160703940, 5200879925, 10401759850, 20803519700, 26004399625, 52008799250, 104017598500, 130021998125, 260043996250, 520087992500]

約数ペア:

[(1, 520087992500), (2, 260043996250), (4, 130021998125), (5, 104017598500), (10, 52008799250), (20, 26004399625), (25, 20803519700), (50, 10401759850), (100, 5200879925), (125, 4160703940), (199, 2613507500), (250, 2080351970), (398, 1306753750), (500, 1040175985), (625, 832140788), (796, 653376875), (859, 605457500), (995, 522701500), (1217, 427352500), (1250, 416070394), (1718, 302728750), (1990, 261350750), (2434, 213676250), (2500, 208035197), (3436, 151364375), (3980, 130675375), (4295, 121091500), (4868, 106838125), (4975, 104540300), (6085, 85470500), (8590, 60545750), (9950, 52270150), (12170, 42735250), (17180, 30272875), (19900, 26135075), (21475, 24218300), (24340, 21367625), (24875, 20908060), (30425, 17094100), (42950, 12109150), (49750, 10454030), (60850, 8547050), (85900, 6054575), (99500, 5227015), (107375, 4843660), (121700, 4273525), (124375, 4181612), (152125, 3418820), (170941, 3042500), (214750, 2421830), (242183, 2147500), (248750, 2090806), (304250, 1709410), (341882, 1521250), (429500, 1210915), (484366, 1073750), (497500, 1045403), (536875, 968732), (608500, 854705), (683764, 760625)]