180173380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101221}}^1$

素因数の和:101319

約数の個数: 24

約数和(自身を含む): 382619160

約数和(自身を除く): 202445780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 101221, 202442, 404884, 506105, 1012210, 2024420, 9008669, 18017338, 36034676, 45043345, 90086690, 180173380]

約数ペア:

[(1, 180173380), (2, 90086690), (4, 45043345), (5, 36034676), (10, 18017338), (20, 9008669), (89, 2024420), (178, 1012210), (356, 506105), (445, 404884), (890, 202442), (1780, 101221)]