1900356645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{769}}^1\times {\mathrm{881}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 3520661760

約数和(自身を除く): 1620305115

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 769, 881, 935, 2307, 2643, 2805, 3845, 4405, 8459, 9691, 11535, 13073, 13215, 14977, 25377, 29073, 39219, 42295, 44931, 48455, 65365, 74885, 126885, 143803, 145365, 164747, 196095, 224655, 431409, 494241, 677489, 719015, 823735, 2032467, 2157045, 2471205, 3387445, 7452379, 10162335, 11517313, 22357137, 34551939, 37261895, 57586565, 111785685, 126690443, 172759695, 380071329, 633452215, 1900356645]

約数ペア:

[(1, 1900356645), (3, 633452215), (5, 380071329), (11, 172759695), (15, 126690443), (17, 111785685), (33, 57586565), (51, 37261895), (55, 34551939), (85, 22357137), (165, 11517313), (187, 10162335), (255, 7452379), (561, 3387445), (769, 2471205), (881, 2157045), (935, 2032467), (2307, 823735), (2643, 719015), (2805, 677489), (3845, 494241), (4405, 431409), (8459, 224655), (9691, 196095), (11535, 164747), (13073, 145365), (13215, 143803), (14977, 126885), (25377, 74885), (29073, 65365), (39219, 48455), (42295, 44931)]