31283420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3061}}^1$

素因数の和:3150

約数の個数: 48

約数和(自身を含む): 76133568

約数和(自身を除く): 44850148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 3061, 5110, 6122, 10220, 12244, 15305, 21427, 30610, 42854, 61220, 85708, 107135, 214270, 223453, 428540, 446906, 893812, 1117265, 1564171, 2234530, 3128342, 4469060, 6256684, 7820855, 15641710, 31283420]

約数ペア:

[(1, 31283420), (2, 15641710), (4, 7820855), (5, 6256684), (7, 4469060), (10, 3128342), (14, 2234530), (20, 1564171), (28, 1117265), (35, 893812), (70, 446906), (73, 428540), (140, 223453), (146, 214270), (292, 107135), (365, 85708), (511, 61220), (730, 42854), (1022, 30610), (1460, 21427), (2044, 15305), (2555, 12244), (3061, 10220), (5110, 6122)]