131459950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 258554880

約数和(自身を除く): 127094930

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 79, 115, 158, 230, 395, 575, 790, 1150, 1447, 1817, 1975, 2894, 3634, 3950, 7235, 9085, 14470, 18170, 33281, 36175, 45425, 66562, 72350, 90850, 114313, 166405, 228626, 332810, 571565, 832025, 1143130, 1664050, 2629199, 2857825, 5258398, 5715650, 13145995, 26291990, 65729975, 131459950]

約数ペア:

[(1, 131459950), (2, 65729975), (5, 26291990), (10, 13145995), (23, 5715650), (25, 5258398), (46, 2857825), (50, 2629199), (79, 1664050), (115, 1143130), (158, 832025), (230, 571565), (395, 332810), (575, 228626), (790, 166405), (1150, 114313), (1447, 90850), (1817, 72350), (1975, 66562), (2894, 45425), (3634, 36175), (3950, 33281), (7235, 18170), (9085, 14470)]