28766360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1536

約数の個数: 64

約数和(自身を含む): 75064320

約数和(自身を除く): 46297960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1447, 1988, 2485, 2840, 2894, 3976, 4970, 5788, 7235, 9940, 10129, 11576, 14470, 19880, 20258, 28940, 40516, 50645, 57880, 81032, 101290, 102737, 202580, 205474, 405160, 410948, 513685, 719159, 821896, 1027370, 1438318, 2054740, 2876636, 3595795, 4109480, 5753272, 7191590, 14383180, 28766360]

約数ペア:

[(1, 28766360), (2, 14383180), (4, 7191590), (5, 5753272), (7, 4109480), (8, 3595795), (10, 2876636), (14, 2054740), (20, 1438318), (28, 1027370), (35, 821896), (40, 719159), (56, 513685), (70, 410948), (71, 405160), (140, 205474), (142, 202580), (280, 102737), (284, 101290), (355, 81032), (497, 57880), (568, 50645), (710, 40516), (994, 28940), (1420, 20258), (1447, 19880), (1988, 14470), (2485, 11576), (2840, 10129), (2894, 9940), (3976, 7235), (4970, 5788)]