171900890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2141}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 375072768

約数和(自身を除く): 203171878

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 37, 62, 70, 74, 155, 185, 217, 259, 310, 370, 434, 518, 1085, 1147, 1295, 2141, 2170, 2294, 2590, 4282, 5735, 8029, 10705, 11470, 14987, 16058, 21410, 29974, 40145, 66371, 74935, 79217, 80290, 132742, 149870, 158434, 331855, 396085, 464597, 554519, 663710, 792170, 929194, 1109038, 2322985, 2455727, 2772595, 4645970, 4911454, 5545190, 12278635, 17190089, 24557270, 34380178, 85950445, 171900890]

約数ペア:

[(1, 171900890), (2, 85950445), (5, 34380178), (7, 24557270), (10, 17190089), (14, 12278635), (31, 5545190), (35, 4911454), (37, 4645970), (62, 2772595), (70, 2455727), (74, 2322985), (155, 1109038), (185, 929194), (217, 792170), (259, 663710), (310, 554519), (370, 464597), (434, 396085), (518, 331855), (1085, 158434), (1147, 149870), (1295, 132742), (2141, 80290), (2170, 79217), (2294, 74935), (2590, 66371), (4282, 40145), (5735, 29974), (8029, 21410), (10705, 16058), (11470, 14987)]