30819460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{7591}}^1$

素因数の和:7636

約数の個数: 48

約数和(自身を含む): 76527360

約数和(自身を除く): 45707900

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, 2030, 4060, 7591, 15182, 30364, 37955, 53137, 75910, 106274, 151820, 212548, 220139, 265685, 440278, 531370, 880556, 1062740, 1100695, 1540973, 2201390, 3081946, 4402780, 6163892, 7704865, 15409730, 30819460]

約数ペア:

[(1, 30819460), (2, 15409730), (4, 7704865), (5, 6163892), (7, 4402780), (10, 3081946), (14, 2201390), (20, 1540973), (28, 1100695), (29, 1062740), (35, 880556), (58, 531370), (70, 440278), (116, 265685), (140, 220139), (145, 212548), (203, 151820), (290, 106274), (406, 75910), (580, 53137), (812, 37955), (1015, 30364), (2030, 15182), (4060, 7591)]