159798740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1993}}^1$

素因数の和:2232

約数の個数: 48

約数和(自身を含む): 355091520

約数和(自身を除く): 195292780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 211, 380, 422, 844, 1055, 1993, 2110, 3986, 4009, 4220, 7972, 8018, 9965, 16036, 19930, 20045, 37867, 39860, 40090, 75734, 80180, 151468, 189335, 378670, 420523, 757340, 841046, 1682092, 2102615, 4205230, 7989937, 8410460, 15979874, 31959748, 39949685, 79899370, 159798740]

約数ペア:

[(1, 159798740), (2, 79899370), (4, 39949685), (5, 31959748), (10, 15979874), (19, 8410460), (20, 7989937), (38, 4205230), (76, 2102615), (95, 1682092), (190, 841046), (211, 757340), (380, 420523), (422, 378670), (844, 189335), (1055, 151468), (1993, 80180), (2110, 75734), (3986, 40090), (4009, 39860), (4220, 37867), (7972, 20045), (8018, 19930), (9965, 16036)]