858778370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1367

約数の個数: 64

約数和(自身を含む): 1675137024

約数和(自身を除く): 816358654

約数列:

[1, 2, 5, 10, 23, 43, 46, 71, 86, 115, 142, 215, 230, 355, 430, 710, 989, 1223, 1633, 1978, 2446, 3053, 3266, 4945, 6106, 6115, 8165, 9890, 12230, 15265, 16330, 28129, 30530, 52589, 56258, 70219, 86833, 105178, 140438, 140645, 173666, 262945, 281290, 351095, 434165, 525890, 702190, 868330, 1209547, 1997159, 2419094, 3733819, 3994318, 6047735, 7467638, 9985795, 12095470, 18669095, 19971590, 37338190, 85877837, 171755674, 429389185, 858778370]

約数ペア:

[(1, 858778370), (2, 429389185), (5, 171755674), (10, 85877837), (23, 37338190), (43, 19971590), (46, 18669095), (71, 12095470), (86, 9985795), (115, 7467638), (142, 6047735), (215, 3994318), (230, 3733819), (355, 2419094), (430, 1997159), (710, 1209547), (989, 868330), (1223, 702190), (1633, 525890), (1978, 434165), (2446, 351095), (3053, 281290), (3266, 262945), (4945, 173666), (6106, 140645), (6115, 140438), (8165, 105178), (9890, 86833), (12230, 70219), (15265, 56258), (16330, 52589), (28129, 30530)]