159536920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{209917}}^1$

素因数の和:209947

約数の個数: 32

約数和(自身を含む): 377852400

約数和(自身を除く): 218315480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 209917, 419834, 839668, 1049585, 1679336, 2099170, 3988423, 4198340, 7976846, 8396680, 15953692, 19942115, 31907384, 39884230, 79768460, 159536920]

約数ペア:

[(1, 159536920), (2, 79768460), (4, 39884230), (5, 31907384), (8, 19942115), (10, 15953692), (19, 8396680), (20, 7976846), (38, 4198340), (40, 3988423), (76, 2099170), (95, 1679336), (152, 1049585), (190, 839668), (380, 419834), (760, 209917)]