1990609530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10883}}^1$

素因数の和:10980

約数の個数: 128

約数和(自身を含む): 5968263168

約数和(自身を除く): 3977653638

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 67, 70, 78, 91, 105, 130, 134, 182, 195, 201, 210, 273, 335, 390, 402, 455, 469, 546, 670, 871, 910, 938, 1005, 1365, 1407, 1742, 2010, 2345, 2613, 2730, 2814, 4355, 4690, 5226, 6097, 7035, 8710, 10883, 12194, 13065, 14070, 18291, 21766, 26130, 30485, 32649, 36582, 54415, 60970, 65298, 76181, 91455, 108830, 141479, 152362, 163245, 182910, 228543, 282958, 326490, 380905, 424437, 457086, 707395, 729161, 761810, 848874, 990353, 1142715, 1414790, 1458322, 1980706, 2122185, 2187483, 2285430, 2971059, 3645805, 4244370, 4374966, 4951765, 5104127, 5942118, 7291610, 9479093, 9903530, 10208254, 10937415, 14855295, 15312381, 18958186, 21874830, 25520635, 28437279, 29710590, 30624762, 47395465, 51041270, 56874558, 66353651, 76561905, 94790930, 132707302, 142186395, 153123810, 199060953, 284372790, 331768255, 398121906, 663536510, 995304765, 1990609530]

約数ペア:

[(1, 1990609530), (2, 995304765), (3, 663536510), (5, 398121906), (6, 331768255), (7, 284372790), (10, 199060953), (13, 153123810), (14, 142186395), (15, 132707302), (21, 94790930), (26, 76561905), (30, 66353651), (35, 56874558), (39, 51041270), (42, 47395465), (65, 30624762), (67, 29710590), (70, 28437279), (78, 25520635), (91, 21874830), (105, 18958186), (130, 15312381), (134, 14855295), (182, 10937415), (195, 10208254), (201, 9903530), (210, 9479093), (273, 7291610), (335, 5942118), (390, 5104127), (402, 4951765), (455, 4374966), (469, 4244370), (546, 3645805), (670, 2971059), (871, 2285430), (910, 2187483), (938, 2122185), (1005, 1980706), (1365, 1458322), (1407, 1414790), (1742, 1142715), (2010, 990353), (2345, 848874), (2613, 761810), (2730, 729161), (2814, 707395), (4355, 457086), (4690, 424437), (5226, 380905), (6097, 326490), (7035, 282958), (8710, 228543), (10883, 182910), (12194, 163245), (13065, 152362), (14070, 141479), (18291, 108830), (21766, 91455), (26130, 76181), (30485, 65298), (32649, 60970), (36582, 54415)]