169173820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 383322240

約数和(自身を除く): 214148420

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 97, 116, 124, 145, 155, 194, 290, 310, 388, 485, 580, 620, 899, 970, 1798, 1940, 2813, 3007, 3596, 4495, 5626, 6014, 8990, 9409, 11252, 12028, 14065, 15035, 17980, 18818, 28130, 30070, 37636, 47045, 56260, 60140, 87203, 94090, 174406, 188180, 272861, 291679, 348812, 436015, 545722, 583358, 872030, 1091444, 1166716, 1364305, 1458395, 1744060, 2728610, 2916790, 5457220, 5833580, 8458691, 16917382, 33834764, 42293455, 84586910, 169173820]

約数ペア:

[(1, 169173820), (2, 84586910), (4, 42293455), (5, 33834764), (10, 16917382), (20, 8458691), (29, 5833580), (31, 5457220), (58, 2916790), (62, 2728610), (97, 1744060), (116, 1458395), (124, 1364305), (145, 1166716), (155, 1091444), (194, 872030), (290, 583358), (310, 545722), (388, 436015), (485, 348812), (580, 291679), (620, 272861), (899, 188180), (970, 174406), (1798, 94090), (1940, 87203), (2813, 60140), (3007, 56260), (3596, 47045), (4495, 37636), (5626, 30070), (6014, 28130), (8990, 18818), (9409, 17980), (11252, 15035), (12028, 14065)]