1382420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:444

約数の個数: 36

約数和(自身を含む): 3151260

約数和(自身を除く): 1768840

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 409, 676, 818, 845, 1636, 1690, 2045, 3380, 4090, 5317, 8180, 10634, 21268, 26585, 53170, 69121, 106340, 138242, 276484, 345605, 691210, 1382420]

約数ペア:

[(1, 1382420), (2, 691210), (4, 345605), (5, 276484), (10, 138242), (13, 106340), (20, 69121), (26, 53170), (52, 26585), (65, 21268), (130, 10634), (169, 8180), (260, 5317), (338, 4090), (409, 3380), (676, 2045), (818, 1690), (845, 1636)]