81829300

素因数分解:

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

素因数の和:218

約数の個数: 108

約数和(自身を含む): 211687840

約数和(自身を除く): 129858540

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, 841, 973, 1015, 1390, 1450, 1682, 1946, 2030, 2780, 2900, 3364, 3475, 3892, 4031, 4060, 4205, 4865, 5075, 5887, 6950, 8062, 8410, 9730, 10150, 11774, 13900, 16124, 16820, 19460, 20155, 20300, 21025, 23548, 24325, 28217, 29435, 40310, 42050, 48650, 56434, 58870, 80620, 84100, 97300, 100775, 112868, 116899, 117740, 141085, 147175, 201550, 233798, 282170, 294350, 403100, 467596, 564340, 584495, 588700, 705425, 818293, 1168990, 1410850, 1636586, 2337980, 2821700, 2922475, 3273172, 4091465, 5844950, 8182930, 11689900, 16365860, 20457325, 40914650, 81829300]

約数ペア:

[(1, 81829300), (2, 40914650), (4, 20457325), (5, 16365860), (7, 11689900), (10, 8182930), (14, 5844950), (20, 4091465), (25, 3273172), (28, 2922475), (29, 2821700), (35, 2337980), (50, 1636586), (58, 1410850), (70, 1168990), (100, 818293), (116, 705425), (139, 588700), (140, 584495), (145, 564340), (175, 467596), (203, 403100), (278, 294350), (290, 282170), (350, 233798), (406, 201550), (556, 147175), (580, 141085), (695, 117740), (700, 116899), (725, 112868), (812, 100775), (841, 97300), (973, 84100), (1015, 80620), (1390, 58870), (1450, 56434), (1682, 48650), (1946, 42050), (2030, 40310), (2780, 29435), (2900, 28217), (3364, 24325), (3475, 23548), (3892, 21025), (4031, 20300), (4060, 20155), (4205, 19460), (4865, 16820), (5075, 16124), (5887, 13900), (6950, 11774), (8062, 10150), (8410, 9730)]