1819030075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 2612332800

約数和(自身を除く): 793302725

約数列:

[1, 5, 19, 25, 29, 37, 43, 83, 95, 145, 185, 215, 415, 475, 551, 703, 725, 817, 925, 1073, 1075, 1247, 1577, 1591, 2075, 2407, 2755, 3071, 3515, 3569, 4085, 5365, 6235, 7885, 7955, 12035, 13775, 15355, 17575, 17845, 20387, 20425, 23693, 26825, 30229, 31175, 39425, 39775, 45733, 46139, 58349, 60175, 67811, 76775, 89059, 89225, 101935, 103501, 118465, 132053, 151145, 228665, 230695, 291745, 339055, 445295, 509675, 517505, 592325, 660265, 755725, 876641, 1143325, 1153475, 1458725, 1692121, 1695275, 1966519, 2226475, 2509007, 2587525, 3301325, 3829537, 4383205, 8460605, 9832595, 12545035, 19147685, 21916025, 42303025, 49162975, 62725175, 72761203, 95738425, 363806015, 1819030075]

約数ペア:

[(1, 1819030075), (5, 363806015), (19, 95738425), (25, 72761203), (29, 62725175), (37, 49162975), (43, 42303025), (83, 21916025), (95, 19147685), (145, 12545035), (185, 9832595), (215, 8460605), (415, 4383205), (475, 3829537), (551, 3301325), (703, 2587525), (725, 2509007), (817, 2226475), (925, 1966519), (1073, 1695275), (1075, 1692121), (1247, 1458725), (1577, 1153475), (1591, 1143325), (2075, 876641), (2407, 755725), (2755, 660265), (3071, 592325), (3515, 517505), (3569, 509675), (4085, 445295), (5365, 339055), (6235, 291745), (7885, 230695), (7955, 228665), (12035, 151145), (13775, 132053), (15355, 118465), (17575, 103501), (17845, 101935), (20387, 89225), (20425, 89059), (23693, 76775), (26825, 67811), (30229, 60175), (31175, 58349), (39425, 46139), (39775, 45733)]