2821700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 7291200

約数和(自身を除く): 4469500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 139, 140, 145, 175, 203, 278, 290, 350, 406, 556, 580, 695, 700, 725, 812, 973, 1015, 1390, 1450, 1946, 2030, 2780, 2900, 3475, 3892, 4031, 4060, 4865, 5075, 6950, 8062, 9730, 10150, 13900, 16124, 19460, 20155, 20300, 24325, 28217, 40310, 48650, 56434, 80620, 97300, 100775, 112868, 141085, 201550, 282170, 403100, 564340, 705425, 1410850, 2821700]

約数ペア:

[(1, 2821700), (2, 1410850), (4, 705425), (5, 564340), (7, 403100), (10, 282170), (14, 201550), (20, 141085), (25, 112868), (28, 100775), (29, 97300), (35, 80620), (50, 56434), (58, 48650), (70, 40310), (100, 28217), (116, 24325), (139, 20300), (140, 20155), (145, 19460), (175, 16124), (203, 13900), (278, 10150), (290, 9730), (350, 8062), (406, 6950), (556, 5075), (580, 4865), (695, 4060), (700, 4031), (725, 3892), (812, 3475), (973, 2900), (1015, 2780), (1390, 2030), (1450, 1946)]