305859820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{41221}}^1$

素因数の和:41290

約数の個数: 48

約数和(自身を含む): 747931968

約数和(自身を除く): 442072148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 41221, 82442, 164884, 206105, 288547, 412210, 577094, 824420, 1154188, 1442735, 2184713, 2885470, 4369426, 5770940, 8738852, 10923565, 15292991, 21847130, 30585982, 43694260, 61171964, 76464955, 152929910, 305859820]

約数ペア:

[(1, 305859820), (2, 152929910), (4, 76464955), (5, 61171964), (7, 43694260), (10, 30585982), (14, 21847130), (20, 15292991), (28, 10923565), (35, 8738852), (53, 5770940), (70, 4369426), (106, 2885470), (140, 2184713), (212, 1442735), (265, 1154188), (371, 824420), (530, 577094), (742, 412210), (1060, 288547), (1484, 206105), (1855, 164884), (3710, 82442), (7420, 41221)]