179931220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1285223}}^1$

素因数の和:1285239

約数の個数: 24

約数和(自身を含む): 431835264

約数和(自身を除く): 251904044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1285223, 2570446, 5140892, 6426115, 8996561, 12852230, 17993122, 25704460, 35986244, 44982805, 89965610, 179931220]

約数ペア:

[(1, 179931220), (2, 89965610), (4, 44982805), (5, 35986244), (7, 25704460), (10, 17993122), (14, 12852230), (20, 8996561), (28, 6426115), (35, 5140892), (70, 2570446), (140, 1285223)]