1285321730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1669249}}^1$

素因数の和:1669274

約数の個数: 32

約数和(自身を含む): 2884464000

約数和(自身を除く): 1599142270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1669249, 3338498, 8346245, 11684743, 16692490, 18361739, 23369486, 36723478, 58423715, 91808695, 116847430, 128532173, 183617390, 257064346, 642660865, 1285321730]

約数ペア:

[(1, 1285321730), (2, 642660865), (5, 257064346), (7, 183617390), (10, 128532173), (11, 116847430), (14, 91808695), (22, 58423715), (35, 36723478), (55, 23369486), (70, 18361739), (77, 16692490), (110, 11684743), (154, 8346245), (385, 3338498), (770, 1669249)]