1879780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 4677120

約数和(自身を除く): 2797340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 463, 580, 812, 926, 1015, 1852, 2030, 2315, 3241, 4060, 4630, 6482, 9260, 12964, 13427, 16205, 26854, 32410, 53708, 64820, 67135, 93989, 134270, 187978, 268540, 375956, 469945, 939890, 1879780]

約数ペア:

[(1, 1879780), (2, 939890), (4, 469945), (5, 375956), (7, 268540), (10, 187978), (14, 134270), (20, 93989), (28, 67135), (29, 64820), (35, 53708), (58, 32410), (70, 26854), (116, 16205), (140, 13427), (145, 12964), (203, 9260), (290, 6482), (406, 4630), (463, 4060), (580, 3241), (812, 2315), (926, 2030), (1015, 1852)]