1808810500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 4717440000

約数和(自身を除く): 2908629500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 53, 70, 98, 100, 106, 125, 140, 175, 196, 199, 212, 245, 250, 265, 343, 350, 371, 398, 490, 500, 530, 686, 700, 742, 796, 875, 980, 995, 1060, 1225, 1325, 1372, 1393, 1484, 1715, 1750, 1855, 1990, 2450, 2597, 2650, 2786, 3430, 3500, 3710, 3980, 4900, 4975, 5194, 5300, 5572, 6125, 6625, 6860, 6965, 7420, 8575, 9275, 9751, 9950, 10388, 10547, 12250, 12985, 13250, 13930, 17150, 18179, 18550, 19502, 19900, 21094, 24500, 24875, 25970, 26500, 27860, 34300, 34825, 36358, 37100, 39004, 42188, 42875, 46375, 48755, 49750, 51940, 52735, 64925, 68257, 69650, 72716, 73829, 85750, 90895, 92750, 97510, 99500, 105470, 129850, 136514, 139300, 147658, 171500, 174125, 181790, 185500, 195020, 210940, 243775, 259700, 263675, 273028, 295316, 324625, 341285, 348250, 363580, 369145, 454475, 487550, 516803, 527350, 649250, 682570, 696500, 738290, 908950, 975100, 1033606, 1054700, 1218875, 1298500, 1318375, 1365140, 1476580, 1706425, 1817900, 1845725, 2067212, 2272375, 2437750, 2584015, 2636750, 3412850, 3617621, 3691450, 4544750, 4875500, 5168030, 5273500, 6825700, 7235242, 7382900, 8532125, 9089500, 9228625, 10336060, 12920075, 14470484, 17064250, 18088105, 18457250, 25840150, 34128500, 36176210, 36914500, 51680300, 64600375, 72352420, 90440525, 129200750, 180881050, 258401500, 361762100, 452202625, 904405250, 1808810500]

約数ペア:

[(1, 1808810500), (2, 904405250), (4, 452202625), (5, 361762100), (7, 258401500), (10, 180881050), (14, 129200750), (20, 90440525), (25, 72352420), (28, 64600375), (35, 51680300), (49, 36914500), (50, 36176210), (53, 34128500), (70, 25840150), (98, 18457250), (100, 18088105), (106, 17064250), (125, 14470484), (140, 12920075), (175, 10336060), (196, 9228625), (199, 9089500), (212, 8532125), (245, 7382900), (250, 7235242), (265, 6825700), (343, 5273500), (350, 5168030), (371, 4875500), (398, 4544750), (490, 3691450), (500, 3617621), (530, 3412850), (686, 2636750), (700, 2584015), (742, 2437750), (796, 2272375), (875, 2067212), (980, 1845725), (995, 1817900), (1060, 1706425), (1225, 1476580), (1325, 1365140), (1372, 1318375), (1393, 1298500), (1484, 1218875), (1715, 1054700), (1750, 1033606), (1855, 975100), (1990, 908950), (2450, 738290), (2597, 696500), (2650, 682570), (2786, 649250), (3430, 527350), (3500, 516803), (3710, 487550), (3980, 454475), (4900, 369145), (4975, 363580), (5194, 348250), (5300, 341285), (5572, 324625), (6125, 295316), (6625, 273028), (6860, 263675), (6965, 259700), (7420, 243775), (8575, 210940), (9275, 195020), (9751, 185500), (9950, 181790), (10388, 174125), (10547, 171500), (12250, 147658), (12985, 139300), (13250, 136514), (13930, 129850), (17150, 105470), (18179, 99500), (18550, 97510), (19502, 92750), (19900, 90895), (21094, 85750), (24500, 73829), (24875, 72716), (25970, 69650), (26500, 68257), (27860, 64925), (34300, 52735), (34825, 51940), (36358, 49750), (37100, 48755), (39004, 46375), (42188, 42875)]