1909785540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2448443}}^1$

素因数の和:2448468

約数の個数: 48

約数和(自身を含む): 5758740288

約数和(自身を除く): 3848954748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2448443, 4896886, 7345329, 9793772, 12242215, 14690658, 24484430, 29381316, 31829759, 36726645, 48968860, 63659518, 73453290, 95489277, 127319036, 146906580, 159148795, 190978554, 318297590, 381957108, 477446385, 636595180, 954892770, 1909785540]

約数ペア:

[(1, 1909785540), (2, 954892770), (3, 636595180), (4, 477446385), (5, 381957108), (6, 318297590), (10, 190978554), (12, 159148795), (13, 146906580), (15, 127319036), (20, 95489277), (26, 73453290), (30, 63659518), (39, 48968860), (52, 36726645), (60, 31829759), (65, 29381316), (78, 24484430), (130, 14690658), (156, 12242215), (195, 9793772), (260, 7345329), (390, 4896886), (780, 2448443)]