1900209025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1523}}^1$

素因数の和:1906

約数の個数: 48

約数和(自身を含む): 2777947200

約数和(自身を除く): 877738175

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 349, 715, 1523, 1745, 3575, 3839, 4537, 7615, 8725, 16753, 19195, 19799, 22685, 38075, 49907, 83765, 95975, 98995, 113425, 217789, 249535, 418825, 494975, 531527, 1088945, 1247675, 2657635, 5444725, 5846797, 6909851, 13288175, 29233985, 34549255, 76008361, 146169925, 172746275, 380041805, 1900209025]

約数ペア:

[(1, 1900209025), (5, 380041805), (11, 172746275), (13, 146169925), (25, 76008361), (55, 34549255), (65, 29233985), (143, 13288175), (275, 6909851), (325, 5846797), (349, 5444725), (715, 2657635), (1523, 1247675), (1745, 1088945), (3575, 531527), (3839, 494975), (4537, 418825), (7615, 249535), (8725, 217789), (16753, 113425), (19195, 98995), (19799, 95975), (22685, 83765), (38075, 49907)]