161972020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{593}}^1\times {\mathrm{1951}}^1$

素因数の和:2560

約数の個数: 48

約数和(自身を含む): 389587968

約数和(自身を除く): 227615948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 593, 1186, 1951, 2372, 2965, 3902, 4151, 5930, 7804, 8302, 9755, 11860, 13657, 16604, 19510, 20755, 27314, 39020, 41510, 54628, 68285, 83020, 136570, 273140, 1156943, 2313886, 4627772, 5784715, 8098601, 11569430, 16197202, 23138860, 32394404, 40493005, 80986010, 161972020]

約数ペア:

[(1, 161972020), (2, 80986010), (4, 40493005), (5, 32394404), (7, 23138860), (10, 16197202), (14, 11569430), (20, 8098601), (28, 5784715), (35, 4627772), (70, 2313886), (140, 1156943), (593, 273140), (1186, 136570), (1951, 83020), (2372, 68285), (2965, 54628), (3902, 41510), (4151, 39020), (5930, 27314), (7804, 20755), (8302, 19510), (9755, 16604), (11860, 13657)]