1279076500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^2\times {\mathrm{15137}}^1$

素因数の和:15182

約数の個数: 72

約数和(自身を含む): 3025117368

約数和(自身を除く): 1746040868

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 250, 260, 325, 338, 500, 650, 676, 845, 1300, 1625, 1690, 3250, 3380, 4225, 6500, 8450, 15137, 16900, 21125, 30274, 42250, 60548, 75685, 84500, 151370, 196781, 302740, 378425, 393562, 756850, 787124, 983905, 1513700, 1892125, 1967810, 2558153, 3784250, 3935620, 4919525, 5116306, 7568500, 9839050, 10232612, 12790765, 19678100, 24597625, 25581530, 49195250, 51163060, 63953825, 98390500, 127907650, 255815300, 319769125, 639538250, 1279076500]

約数ペア:

[(1, 1279076500), (2, 639538250), (4, 319769125), (5, 255815300), (10, 127907650), (13, 98390500), (20, 63953825), (25, 51163060), (26, 49195250), (50, 25581530), (52, 24597625), (65, 19678100), (100, 12790765), (125, 10232612), (130, 9839050), (169, 7568500), (250, 5116306), (260, 4919525), (325, 3935620), (338, 3784250), (500, 2558153), (650, 1967810), (676, 1892125), (845, 1513700), (1300, 983905), (1625, 787124), (1690, 756850), (3250, 393562), (3380, 378425), (4225, 302740), (6500, 196781), (8450, 151370), (15137, 84500), (16900, 75685), (21125, 60548), (30274, 42250)]