259395220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{13931}}^1$

素因数の和:13973

約数の個数: 72

約数和(自身を含む): 667064160

約数和(自身を除く): 407668940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 13931, 18620, 27862, 55724, 69655, 97517, 139310, 195034, 264689, 278620, 390068, 487585, 529378, 682619, 975170, 1058756, 1323445, 1365238, 1852823, 1950340, 2646890, 2730476, 3413095, 3705646, 5293780, 6826190, 7411292, 9264115, 12969761, 13652380, 18528230, 25939522, 37056460, 51879044, 64848805, 129697610, 259395220]

約数ペア:

[(1, 259395220), (2, 129697610), (4, 64848805), (5, 51879044), (7, 37056460), (10, 25939522), (14, 18528230), (19, 13652380), (20, 12969761), (28, 9264115), (35, 7411292), (38, 6826190), (49, 5293780), (70, 3705646), (76, 3413095), (95, 2730476), (98, 2646890), (133, 1950340), (140, 1852823), (190, 1365238), (196, 1323445), (245, 1058756), (266, 975170), (380, 682619), (490, 529378), (532, 487585), (665, 390068), (931, 278620), (980, 264689), (1330, 195034), (1862, 139310), (2660, 97517), (3724, 69655), (4655, 55724), (9310, 27862), (13931, 18620)]