531498920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{309011}}^1$

素因数の和:309065

約数の個数: 32

約数和(自身を含む): 1223687520

約数和(自身を除く): 692188600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 309011, 618022, 1236044, 1545055, 2472088, 3090110, 6180220, 12360440, 13287473, 26574946, 53149892, 66437365, 106299784, 132874730, 265749460, 531498920]

約数ペア:

[(1, 531498920), (2, 265749460), (4, 132874730), (5, 106299784), (8, 66437365), (10, 53149892), (20, 26574946), (40, 13287473), (43, 12360440), (86, 6180220), (172, 3090110), (215, 2472088), (344, 1545055), (430, 1236044), (860, 618022), (1720, 309011)]