1439690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 32

約数和(自身を含む): 3003264

約数和(自身を除く): 1563574

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 157, 262, 314, 655, 785, 917, 1099, 1310, 1570, 1834, 2198, 4585, 5495, 9170, 10990, 20567, 41134, 102835, 143969, 205670, 287938, 719845, 1439690]

約数ペア:

[(1, 1439690), (2, 719845), (5, 287938), (7, 205670), (10, 143969), (14, 102835), (35, 41134), (70, 20567), (131, 10990), (157, 9170), (262, 5495), (314, 4585), (655, 2198), (785, 1834), (917, 1570), (1099, 1310)]