288877290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{740711}}^1$

素因数の和:740734

約数の個数: 32

約数和(自身を含む): 746637696

約数和(自身を除く): 457760406

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 740711, 1481422, 2222133, 3703555, 4444266, 7407110, 9629243, 11110665, 19258486, 22221330, 28887729, 48146215, 57775458, 96292430, 144438645, 288877290]

約数ペア:

[(1, 288877290), (2, 144438645), (3, 96292430), (5, 57775458), (6, 48146215), (10, 28887729), (13, 22221330), (15, 19258486), (26, 11110665), (30, 9629243), (39, 7407110), (65, 4444266), (78, 3703555), (130, 2222133), (195, 1481422), (390, 740711)]