400568728

素因数分解:

$2^3\times 7^2\times {\mathrm{113}}^1\times {\mathrm{9043}}^1$

素因数の和:9176

約数の個数: 48

約数和(自身を含む): 881518680

約数和(自身を除く): 480949952

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 113, 196, 226, 392, 452, 791, 904, 1582, 3164, 5537, 6328, 9043, 11074, 18086, 22148, 36172, 44296, 63301, 72344, 126602, 253204, 443107, 506408, 886214, 1021859, 1772428, 2043718, 3544856, 4087436, 7153013, 8174872, 14306026, 28612052, 50071091, 57224104, 100142182, 200284364, 400568728]

約数ペア:

[(1, 400568728), (2, 200284364), (4, 100142182), (7, 57224104), (8, 50071091), (14, 28612052), (28, 14306026), (49, 8174872), (56, 7153013), (98, 4087436), (113, 3544856), (196, 2043718), (226, 1772428), (392, 1021859), (452, 886214), (791, 506408), (904, 443107), (1582, 253204), (3164, 126602), (5537, 72344), (6328, 63301), (9043, 44296), (11074, 36172), (18086, 22148)]