205193100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{97711}}^1$

素因数の和:97735

約数の個数: 72

約数和(自身を含む): 678512128

約数和(自身を除く): 473319028

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, 97711, 195422, 293133, 390844, 488555, 586266, 683977, 977110, 1172532, 1367954, 1465665, 1954220, 2051931, 2442775, 2735908, 2931330, 3419885, 4103862, 4885550, 5862660, 6839770, 7328325, 8207724, 9771100, 10259655, 13679540, 14656650, 17099425, 20519310, 29313300, 34198850, 41038620, 51298275, 68397700, 102596550, 205193100]

約数ペア:

[(1, 205193100), (2, 102596550), (3, 68397700), (4, 51298275), (5, 41038620), (6, 34198850), (7, 29313300), (10, 20519310), (12, 17099425), (14, 14656650), (15, 13679540), (20, 10259655), (21, 9771100), (25, 8207724), (28, 7328325), (30, 6839770), (35, 5862660), (42, 4885550), (50, 4103862), (60, 3419885), (70, 2931330), (75, 2735908), (84, 2442775), (100, 2051931), (105, 1954220), (140, 1465665), (150, 1367954), (175, 1172532), (210, 977110), (300, 683977), (350, 586266), (420, 488555), (525, 390844), (700, 293133), (1050, 195422), (2100, 97711)]