7847980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1933}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 19494720

約数和(自身を除く): 11646740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1933, 2030, 3866, 4060, 7732, 9665, 13531, 19330, 27062, 38660, 54124, 56057, 67655, 112114, 135310, 224228, 270620, 280285, 392399, 560570, 784798, 1121140, 1569596, 1961995, 3923990, 7847980]

約数ペア:

[(1, 7847980), (2, 3923990), (4, 1961995), (5, 1569596), (7, 1121140), (10, 784798), (14, 560570), (20, 392399), (28, 280285), (29, 270620), (35, 224228), (58, 135310), (70, 112114), (116, 67655), (140, 56057), (145, 54124), (203, 38660), (290, 27062), (406, 19330), (580, 13531), (812, 9665), (1015, 7732), (1933, 4060), (2030, 3866)]