3981950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 8761344

約数和(自身を除く): 4779394

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 155, 175, 217, 310, 350, 367, 434, 734, 775, 1085, 1550, 1835, 2170, 2569, 3670, 5138, 5425, 9175, 10850, 11377, 12845, 18350, 22754, 25690, 56885, 64225, 79639, 113770, 128450, 159278, 284425, 398195, 568850, 796390, 1990975, 3981950]

約数ペア:

[(1, 3981950), (2, 1990975), (5, 796390), (7, 568850), (10, 398195), (14, 284425), (25, 159278), (31, 128450), (35, 113770), (50, 79639), (62, 64225), (70, 56885), (155, 25690), (175, 22754), (217, 18350), (310, 12845), (350, 11377), (367, 10850), (434, 9175), (734, 5425), (775, 5138), (1085, 3670), (1550, 2569), (1835, 2170)]