254372230

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{74161}}^1$

素因数の和:74189

約数の個数: 32

約数和(自身を含む): 533966400

約数和(自身を除く): 279594170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 74161, 148322, 370805, 519127, 741610, 1038254, 2595635, 3633889, 5191270, 7267778, 18169445, 25437223, 36338890, 50874446, 127186115, 254372230]

約数ペア:

[(1, 254372230), (2, 127186115), (5, 50874446), (7, 36338890), (10, 25437223), (14, 18169445), (35, 7267778), (49, 5191270), (70, 3633889), (98, 2595635), (245, 1038254), (343, 741610), (490, 519127), (686, 370805), (1715, 148322), (3430, 74161)]