191428040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251879}}^1$

素因数の和:251909

約数の個数: 32

約数和(自身を含む): 453384000

約数和(自身を除く): 261955960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 251879, 503758, 1007516, 1259395, 2015032, 2518790, 4785701, 5037580, 9571402, 10075160, 19142804, 23928505, 38285608, 47857010, 95714020, 191428040]

約数ペア:

[(1, 191428040), (2, 95714020), (4, 47857010), (5, 38285608), (8, 23928505), (10, 19142804), (19, 10075160), (20, 9571402), (38, 5037580), (40, 4785701), (76, 2518790), (95, 2015032), (152, 1259395), (190, 1007516), (380, 503758), (760, 251879)]