20199759650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{751}}^1$

素因数の和:905

約数の個数: 192

約数和(自身を含む): 46262943744

約数和(自身を除く): 26063184094

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 37, 50, 62, 67, 70, 74, 134, 155, 175, 185, 217, 259, 310, 335, 350, 370, 434, 469, 518, 670, 751, 775, 925, 938, 1085, 1147, 1295, 1502, 1550, 1675, 1850, 2077, 2170, 2294, 2345, 2479, 2590, 3350, 3755, 4154, 4690, 4958, 5257, 5425, 5735, 6475, 7510, 8029, 10385, 10514, 10850, 11470, 11725, 12395, 12950, 14539, 16058, 17353, 18775, 20770, 23281, 23450, 24790, 26285, 27787, 28675, 29078, 34706, 37550, 40145, 46562, 50317, 51925, 52570, 55574, 57350, 61975, 72695, 76849, 80290, 86765, 100634, 103850, 116405, 123950, 131425, 138935, 145390, 153698, 162967, 173530, 194509, 200725, 232810, 251585, 262850, 277870, 325934, 352219, 363475, 384245, 389018, 401450, 433825, 503170, 537943, 582025, 694675, 704438, 726950, 768490, 814835, 861397, 867650, 972545, 1075886, 1164050, 1257925, 1389350, 1559827, 1629670, 1722794, 1761095, 1861729, 1921225, 1945090, 2515850, 2689715, 3119654, 3522190, 3723458, 3842450, 4074175, 4306985, 4862725, 5379430, 6029779, 7799135, 8148350, 8613970, 8805475, 9308645, 9725450, 10918789, 12059558, 13032103, 13448575, 15598270, 17610950, 18617290, 21534925, 21837578, 26064206, 26897150, 30148895, 38995675, 43069850, 46543225, 54593945, 57713599, 60297790, 65160515, 77991350, 93086450, 109187890, 115427198, 130321030, 150744475, 272969725, 288567995, 301488950, 325802575, 403995193, 545939450, 577135990, 651605150, 807990386, 1442839975, 2019975965, 2885679950, 4039951930, 10099879825, 20199759650]

約数ペア:

[(1, 20199759650), (2, 10099879825), (5, 4039951930), (7, 2885679950), (10, 2019975965), (14, 1442839975), (25, 807990386), (31, 651605150), (35, 577135990), (37, 545939450), (50, 403995193), (62, 325802575), (67, 301488950), (70, 288567995), (74, 272969725), (134, 150744475), (155, 130321030), (175, 115427198), (185, 109187890), (217, 93086450), (259, 77991350), (310, 65160515), (335, 60297790), (350, 57713599), (370, 54593945), (434, 46543225), (469, 43069850), (518, 38995675), (670, 30148895), (751, 26897150), (775, 26064206), (925, 21837578), (938, 21534925), (1085, 18617290), (1147, 17610950), (1295, 15598270), (1502, 13448575), (1550, 13032103), (1675, 12059558), (1850, 10918789), (2077, 9725450), (2170, 9308645), (2294, 8805475), (2345, 8613970), (2479, 8148350), (2590, 7799135), (3350, 6029779), (3755, 5379430), (4154, 4862725), (4690, 4306985), (4958, 4074175), (5257, 3842450), (5425, 3723458), (5735, 3522190), (6475, 3119654), (7510, 2689715), (8029, 2515850), (10385, 1945090), (10514, 1921225), (10850, 1861729), (11470, 1761095), (11725, 1722794), (12395, 1629670), (12950, 1559827), (14539, 1389350), (16058, 1257925), (17353, 1164050), (18775, 1075886), (20770, 972545), (23281, 867650), (23450, 861397), (24790, 814835), (26285, 768490), (27787, 726950), (28675, 704438), (29078, 694675), (34706, 582025), (37550, 537943), (40145, 503170), (46562, 433825), (50317, 401450), (51925, 389018), (52570, 384245), (55574, 363475), (57350, 352219), (61975, 325934), (72695, 277870), (76849, 262850), (80290, 251585), (86765, 232810), (100634, 200725), (103850, 194509), (116405, 173530), (123950, 162967), (131425, 153698), (138935, 145390)]