149180420

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{13109}}^1$

素因数の和:13687

約数の個数: 24

約数和(自身を含む): 313853400

約数和(自身を除く): 164672980

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 2276, 2845, 5690, 11380, 13109, 26218, 52436, 65545, 131090, 262180, 7459021, 14918042, 29836084, 37295105, 74590210, 149180420]

約数ペア:

[(1, 149180420), (2, 74590210), (4, 37295105), (5, 29836084), (10, 14918042), (20, 7459021), (569, 262180), (1138, 131090), (2276, 65545), (2845, 52436), (5690, 26218), (11380, 13109)]