199984860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7993}}^1$

素因数の和:8147

約数の個数: 72

約数和(自身を含む): 611061360

約数和(自身を除く): 411076500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 7993, 8340, 12510, 15986, 23979, 25020, 31972, 39965, 47958, 71937, 79930, 95916, 119895, 143874, 159860, 239790, 287748, 359685, 479580, 719370, 1111027, 1438740, 2222054, 3333081, 4444108, 5555135, 6666162, 9999243, 11110270, 13332324, 16665405, 19998486, 22220540, 33330810, 39996972, 49996215, 66661620, 99992430, 199984860]

約数ペア:

[(1, 199984860), (2, 99992430), (3, 66661620), (4, 49996215), (5, 39996972), (6, 33330810), (9, 22220540), (10, 19998486), (12, 16665405), (15, 13332324), (18, 11110270), (20, 9999243), (30, 6666162), (36, 5555135), (45, 4444108), (60, 3333081), (90, 2222054), (139, 1438740), (180, 1111027), (278, 719370), (417, 479580), (556, 359685), (695, 287748), (834, 239790), (1251, 159860), (1390, 143874), (1668, 119895), (2085, 95916), (2502, 79930), (2780, 71937), (4170, 47958), (5004, 39965), (6255, 31972), (7993, 25020), (8340, 23979), (12510, 15986)]