20170183790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1\times {\mathrm{1291}}^1$

素因数の和:1929

約数の個数: 64

約数和(自身を含む): 37953792000

約数和(自身を除く): 17783608210

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 499, 505, 998, 1010, 1291, 2495, 2582, 3131, 4990, 6262, 6455, 12910, 15469, 15655, 30938, 31310, 40021, 50399, 77345, 80042, 100798, 130391, 154690, 200105, 251995, 260782, 400210, 503990, 644209, 651955, 1288418, 1303910, 1562369, 3124738, 3221045, 4042121, 6442090, 7811845, 8084242, 15623690, 19970479, 20210605, 39940958, 40421210, 65065109, 99852395, 130130218, 199704790, 325325545, 650651090, 2017018379, 4034036758, 10085091895, 20170183790]

約数ペア:

[(1, 20170183790), (2, 10085091895), (5, 4034036758), (10, 2017018379), (31, 650651090), (62, 325325545), (101, 199704790), (155, 130130218), (202, 99852395), (310, 65065109), (499, 40421210), (505, 39940958), (998, 20210605), (1010, 19970479), (1291, 15623690), (2495, 8084242), (2582, 7811845), (3131, 6442090), (4990, 4042121), (6262, 3221045), (6455, 3124738), (12910, 1562369), (15469, 1303910), (15655, 1288418), (30938, 651955), (31310, 644209), (40021, 503990), (50399, 400210), (77345, 260782), (80042, 251995), (100798, 200105), (130391, 154690)]