917365960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{16631}}^1$

素因数の和:16846

約数の個数: 64

約数和(自身を含む): 2371057920

約数和(自身を除く): 1453691960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 7880, 11032, 13790, 16631, 27580, 33262, 55160, 66524, 83155, 116417, 133048, 166310, 232834, 332620, 465668, 582085, 665240, 931336, 1164170, 2328340, 3276307, 4656680, 6552614, 13105228, 16381535, 22934149, 26210456, 32763070, 45868298, 65526140, 91736596, 114670745, 131052280, 183473192, 229341490, 458682980, 917365960]

約数ペア:

[(1, 917365960), (2, 458682980), (4, 229341490), (5, 183473192), (7, 131052280), (8, 114670745), (10, 91736596), (14, 65526140), (20, 45868298), (28, 32763070), (35, 26210456), (40, 22934149), (56, 16381535), (70, 13105228), (140, 6552614), (197, 4656680), (280, 3276307), (394, 2328340), (788, 1164170), (985, 931336), (1379, 665240), (1576, 582085), (1970, 465668), (2758, 332620), (3940, 232834), (5516, 166310), (6895, 133048), (7880, 116417), (11032, 83155), (13790, 66524), (16631, 55160), (27580, 33262)]