298157960

素因数分解:

$2^3\times 5^1\times {\mathrm{659}}^1\times {\mathrm{11311}}^1$

素因数の和:11981

約数の個数: 32

約数和(自身を含む): 671932800

約数和(自身を除く): 373774840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 659, 1318, 2636, 3295, 5272, 6590, 11311, 13180, 22622, 26360, 45244, 56555, 90488, 113110, 226220, 452440, 7453949, 14907898, 29815796, 37269745, 59631592, 74539490, 149078980, 298157960]

約数ペア:

[(1, 298157960), (2, 149078980), (4, 74539490), (5, 59631592), (8, 37269745), (10, 29815796), (20, 14907898), (40, 7453949), (659, 452440), (1318, 226220), (2636, 113110), (3295, 90488), (5272, 56555), (6590, 45244), (11311, 26360), (13180, 22622)]