1246420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 3104640

約数和(自身を除く): 1858220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 307, 406, 580, 614, 812, 1015, 1228, 1535, 2030, 2149, 3070, 4060, 4298, 6140, 8596, 8903, 10745, 17806, 21490, 35612, 42980, 44515, 62321, 89030, 124642, 178060, 249284, 311605, 623210, 1246420]

約数ペア:

[(1, 1246420), (2, 623210), (4, 311605), (5, 249284), (7, 178060), (10, 124642), (14, 89030), (20, 62321), (28, 44515), (29, 42980), (35, 35612), (58, 21490), (70, 17806), (116, 10745), (140, 8903), (145, 8596), (203, 6140), (290, 4298), (307, 4060), (406, 3070), (580, 2149), (614, 2030), (812, 1535), (1015, 1228)]