481078820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{270269}}^1$

素因数の和:270367

約数の個数: 24

約数和(自身を含む): 1021620600

約数和(自身を除く): 540541780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 270269, 540538, 1081076, 1351345, 2702690, 5405380, 24053941, 48107882, 96215764, 120269705, 240539410, 481078820]

約数ペア:

[(1, 481078820), (2, 240539410), (4, 120269705), (5, 96215764), (10, 48107882), (20, 24053941), (89, 5405380), (178, 2702690), (356, 1351345), (445, 1081076), (890, 540538), (1780, 270269)]