210320579680

素因数分解:

$2^5\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1318459}}^1$

素因数の和:1319471

約数の個数: 48

約数和(自身を含む): 497381124240

約数和(自身を除く): 287060544560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 997, 1994, 3988, 4985, 7976, 9970, 15952, 19940, 31904, 39880, 79760, 159520, 1318459, 2636918, 5273836, 6592295, 10547672, 13184590, 21095344, 26369180, 42190688, 52738360, 105476720, 210953440, 1314503623, 2629007246, 5258014492, 6572518115, 10516028984, 13145036230, 21032057968, 26290072460, 42064115936, 52580144920, 105160289840, 210320579680]

約数ペア:

[(1, 210320579680), (2, 105160289840), (4, 52580144920), (5, 42064115936), (8, 26290072460), (10, 21032057968), (16, 13145036230), (20, 10516028984), (32, 6572518115), (40, 5258014492), (80, 2629007246), (160, 1314503623), (997, 210953440), (1994, 105476720), (3988, 52738360), (4985, 42190688), (7976, 26369180), (9970, 21095344), (15952, 13184590), (19940, 10547672), (31904, 6592295), (39880, 5273836), (79760, 2636918), (159520, 1318459)]