261256555900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3187}}^1\times {\mathrm{48221}}^1$

素因数の和:51439

約数の個数: 72

約数和(自身を含む): 600476160816

約数和(自身を除く): 339219604916

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 3187, 6374, 12748, 15935, 31870, 48221, 54179, 63740, 79675, 96442, 108358, 159350, 192884, 216716, 241105, 270895, 318700, 482210, 541790, 819757, 964420, 1083580, 1205525, 1354475, 1639514, 2411050, 2708950, 3279028, 4098785, 4822100, 5417900, 8197570, 16395140, 20493925, 40987850, 81975700, 153680327, 307360654, 614721308, 768401635, 1536803270, 2612565559, 3073606540, 3842008175, 5225131118, 7684016350, 10450262236, 13062827795, 15368032700, 26125655590, 52251311180, 65314138975, 130628277950, 261256555900]

約数ペア:

[(1, 261256555900), (2, 130628277950), (4, 65314138975), (5, 52251311180), (10, 26125655590), (17, 15368032700), (20, 13062827795), (25, 10450262236), (34, 7684016350), (50, 5225131118), (68, 3842008175), (85, 3073606540), (100, 2612565559), (170, 1536803270), (340, 768401635), (425, 614721308), (850, 307360654), (1700, 153680327), (3187, 81975700), (6374, 40987850), (12748, 20493925), (15935, 16395140), (31870, 8197570), (48221, 5417900), (54179, 4822100), (63740, 4098785), (79675, 3279028), (96442, 2708950), (108358, 2411050), (159350, 1639514), (192884, 1354475), (216716, 1205525), (241105, 1083580), (270895, 964420), (318700, 819757), (482210, 541790)]