2128894180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{32423}}^1$

素因数の和:32513

約数の個数: 72

約数和(自身を含む): 5278367808

約数和(自身を除く): 3149473628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1876, 2345, 3283, 4690, 6566, 9380, 13132, 16415, 32423, 32830, 64846, 65660, 129692, 162115, 226961, 324230, 453922, 648460, 907844, 1134805, 1588727, 2172341, 2269610, 3177454, 4344682, 4539220, 6354908, 7943635, 8689364, 10861705, 15206387, 15887270, 21723410, 30412774, 31774540, 43446820, 60825548, 76031935, 106444709, 152063870, 212889418, 304127740, 425778836, 532223545, 1064447090, 2128894180]

約数ペア:

[(1, 2128894180), (2, 1064447090), (4, 532223545), (5, 425778836), (7, 304127740), (10, 212889418), (14, 152063870), (20, 106444709), (28, 76031935), (35, 60825548), (49, 43446820), (67, 31774540), (70, 30412774), (98, 21723410), (134, 15887270), (140, 15206387), (196, 10861705), (245, 8689364), (268, 7943635), (335, 6354908), (469, 4539220), (490, 4344682), (670, 3177454), (938, 2269610), (980, 2172341), (1340, 1588727), (1876, 1134805), (2345, 907844), (3283, 648460), (4690, 453922), (6566, 324230), (9380, 226961), (13132, 162115), (16415, 129692), (32423, 65660), (32830, 64846)]