209209560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{249059}}^1$

素因数の和:249080

約数の個数: 64

約数和(自身を含む): 717292800

約数和(自身を除く): 508083240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 249059, 498118, 747177, 996236, 1245295, 1494354, 1743413, 1992472, 2490590, 2988708, 3486826, 3735885, 4981180, 5230239, 5977416, 6973652, 7471770, 8717065, 9962360, 10460478, 13947304, 14943540, 17434130, 20920956, 26151195, 29887080, 34868260, 41841912, 52302390, 69736520, 104604780, 209209560]

約数ペア:

[(1, 209209560), (2, 104604780), (3, 69736520), (4, 52302390), (5, 41841912), (6, 34868260), (7, 29887080), (8, 26151195), (10, 20920956), (12, 17434130), (14, 14943540), (15, 13947304), (20, 10460478), (21, 9962360), (24, 8717065), (28, 7471770), (30, 6973652), (35, 5977416), (40, 5230239), (42, 4981180), (56, 3735885), (60, 3486826), (70, 2988708), (84, 2490590), (105, 1992472), (120, 1743413), (140, 1494354), (168, 1245295), (210, 996236), (280, 747177), (420, 498118), (840, 249059)]