205009770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20771}}^1$

素因数の和:20835

約数の個数: 64

約数和(自身を含む): 574304256

約数和(自身を除く): 369294486

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 3290, 4935, 9870, 20771, 41542, 62313, 103855, 124626, 145397, 207710, 290794, 311565, 436191, 623130, 726985, 872382, 976237, 1453970, 1952474, 2180955, 2928711, 4361910, 4881185, 5857422, 6833659, 9762370, 13667318, 14643555, 20500977, 29287110, 34168295, 41001954, 68336590, 102504885, 205009770]

約数ペア:

[(1, 205009770), (2, 102504885), (3, 68336590), (5, 41001954), (6, 34168295), (7, 29287110), (10, 20500977), (14, 14643555), (15, 13667318), (21, 9762370), (30, 6833659), (35, 5857422), (42, 4881185), (47, 4361910), (70, 2928711), (94, 2180955), (105, 1952474), (141, 1453970), (210, 976237), (235, 872382), (282, 726985), (329, 623130), (470, 436191), (658, 311565), (705, 290794), (987, 207710), (1410, 145397), (1645, 124626), (1974, 103855), (3290, 62313), (4935, 41542), (9870, 20771)]