219088740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280883}}^1$

素因数の和:280908

約数の個数: 48

約数和(自身を含む): 660639168

約数和(自身を除く): 441550428

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, 280883, 561766, 842649, 1123532, 1404415, 1685298, 2808830, 3370596, 3651479, 4213245, 5617660, 7302958, 8426490, 10954437, 14605916, 16852980, 18257395, 21908874, 36514790, 43817748, 54772185, 73029580, 109544370, 219088740]

約数ペア:

[(1, 219088740), (2, 109544370), (3, 73029580), (4, 54772185), (5, 43817748), (6, 36514790), (10, 21908874), (12, 18257395), (13, 16852980), (15, 14605916), (20, 10954437), (26, 8426490), (30, 7302958), (39, 5617660), (52, 4213245), (60, 3651479), (65, 3370596), (78, 2808830), (130, 1685298), (156, 1404415), (195, 1123532), (260, 842649), (390, 561766), (780, 280883)]