5281780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1217}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 13095936

約数和(自身を除く): 7814156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 1217, 2170, 2434, 4340, 4868, 6085, 8519, 12170, 17038, 24340, 34076, 37727, 42595, 75454, 85190, 150908, 170380, 188635, 264089, 377270, 528178, 754540, 1056356, 1320445, 2640890, 5281780]

約数ペア:

[(1, 5281780), (2, 2640890), (4, 1320445), (5, 1056356), (7, 754540), (10, 528178), (14, 377270), (20, 264089), (28, 188635), (31, 170380), (35, 150908), (62, 85190), (70, 75454), (124, 42595), (140, 37727), (155, 34076), (217, 24340), (310, 17038), (434, 12170), (620, 8519), (868, 6085), (1085, 4868), (1217, 4340), (2170, 2434)]