79144900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 177879240

約数和(自身を除く): 98734340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 109, 137, 212, 218, 265, 274, 436, 530, 545, 548, 685, 1060, 1090, 1325, 1370, 2180, 2650, 2725, 2740, 3425, 5300, 5450, 5777, 6850, 7261, 10900, 11554, 13700, 14522, 14933, 23108, 28885, 29044, 29866, 36305, 57770, 59732, 72610, 74665, 115540, 144425, 145220, 149330, 181525, 288850, 298660, 363050, 373325, 577700, 726100, 746650, 791449, 1493300, 1582898, 3165796, 3957245, 7914490, 15828980, 19786225, 39572450, 79144900]

約数ペア:

[(1, 79144900), (2, 39572450), (4, 19786225), (5, 15828980), (10, 7914490), (20, 3957245), (25, 3165796), (50, 1582898), (53, 1493300), (100, 791449), (106, 746650), (109, 726100), (137, 577700), (212, 373325), (218, 363050), (265, 298660), (274, 288850), (436, 181525), (530, 149330), (545, 145220), (548, 144425), (685, 115540), (1060, 74665), (1090, 72610), (1325, 59732), (1370, 57770), (2180, 36305), (2650, 29866), (2725, 29044), (2740, 28885), (3425, 23108), (5300, 14933), (5450, 14522), (5777, 13700), (6850, 11554), (7261, 10900)]