3748420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1109}}^1$

素因数の和:1144

約数の個数: 36

約数和(自身を含む): 8531460

約数和(自身を除く): 4783040

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1109, 1690, 2218, 3380, 4436, 5545, 11090, 14417, 22180, 28834, 57668, 72085, 144170, 187421, 288340, 374842, 749684, 937105, 1874210, 3748420]

約数ペア:

[(1, 3748420), (2, 1874210), (4, 937105), (5, 749684), (10, 374842), (13, 288340), (20, 187421), (26, 144170), (52, 72085), (65, 57668), (130, 28834), (169, 22180), (260, 14417), (338, 11090), (676, 5545), (845, 4436), (1109, 3380), (1690, 2218)]