238655390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{3229}}^1$

素因数の和:3644

約数の個数: 32

約数和(自身を含む): 453492000

約数和(自身を除く): 214836610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 389, 778, 1945, 3229, 3890, 6458, 7391, 14782, 16145, 32290, 36955, 61351, 73910, 122702, 306755, 613510, 1256081, 2512162, 6280405, 12560810, 23865539, 47731078, 119327695, 238655390]

約数ペア:

[(1, 238655390), (2, 119327695), (5, 47731078), (10, 23865539), (19, 12560810), (38, 6280405), (95, 2512162), (190, 1256081), (389, 613510), (778, 306755), (1945, 122702), (3229, 73910), (3890, 61351), (6458, 36955), (7391, 32290), (14782, 16145)]