205062900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97649}}^1$

素因数の和:97673

約数の個数: 72

約数和(自身を含む): 678081600

約数和(自身を除く): 473018700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 97649, 195298, 292947, 390596, 488245, 585894, 683543, 976490, 1171788, 1367086, 1464735, 1952980, 2050629, 2441225, 2734172, 2929470, 3417715, 4101258, 4882450, 5858940, 6835430, 7323675, 8202516, 9764900, 10253145, 13670860, 14647350, 17088575, 20506290, 29294700, 34177150, 41012580, 51265725, 68354300, 102531450, 205062900]

約数ペア:

[(1, 205062900), (2, 102531450), (3, 68354300), (4, 51265725), (5, 41012580), (6, 34177150), (7, 29294700), (10, 20506290), (12, 17088575), (14, 14647350), (15, 13670860), (20, 10253145), (21, 9764900), (25, 8202516), (28, 7323675), (30, 6835430), (35, 5858940), (42, 4882450), (50, 4101258), (60, 3417715), (70, 2929470), (75, 2734172), (84, 2441225), (100, 2050629), (105, 1952980), (140, 1464735), (150, 1367086), (175, 1171788), (210, 976490), (300, 683543), (350, 585894), (420, 488245), (525, 390596), (700, 292947), (1050, 195298), (2100, 97649)]