68977220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13963}}^1$

素因数の和:14004

約数の個数: 48

約数和(自身を含む): 164216640

約数和(自身を除く): 95239420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13963, 27926, 55852, 69815, 139630, 181519, 265297, 279260, 363038, 530594, 726076, 907595, 1061188, 1326485, 1815190, 2652970, 3448861, 3630380, 5305940, 6897722, 13795444, 17244305, 34488610, 68977220]

約数ペア:

[(1, 68977220), (2, 34488610), (4, 17244305), (5, 13795444), (10, 6897722), (13, 5305940), (19, 3630380), (20, 3448861), (26, 2652970), (38, 1815190), (52, 1326485), (65, 1061188), (76, 907595), (95, 726076), (130, 530594), (190, 363038), (247, 279260), (260, 265297), (380, 181519), (494, 139630), (988, 69815), (1235, 55852), (2470, 27926), (4940, 13963)]