281772010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{1217}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 553668696

約数和(自身を除く): 271896686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 169, 274, 338, 685, 845, 1217, 1370, 1690, 1781, 2434, 3562, 6085, 8905, 12170, 15821, 17810, 23153, 31642, 46306, 79105, 115765, 158210, 166729, 205673, 231530, 333458, 411346, 833645, 1028365, 1667290, 2056730, 2167477, 4334954, 10837385, 21674770, 28177201, 56354402, 140886005, 281772010]

約数ペア:

[(1, 281772010), (2, 140886005), (5, 56354402), (10, 28177201), (13, 21674770), (26, 10837385), (65, 4334954), (130, 2167477), (137, 2056730), (169, 1667290), (274, 1028365), (338, 833645), (685, 411346), (845, 333458), (1217, 231530), (1370, 205673), (1690, 166729), (1781, 158210), (2434, 115765), (3562, 79105), (6085, 46306), (8905, 31642), (12170, 23153), (15821, 17810)]