201990974575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{760723}}^1$

素因数の和:760808

約数の個数: 48

約数和(自身を含む): 290535710080

約数和(自身を除く): 88544735505

約数列:

[1, 5, 13, 19, 25, 43, 65, 95, 215, 247, 325, 475, 559, 817, 1075, 1235, 2795, 4085, 6175, 10621, 13975, 20425, 53105, 265525, 760723, 3803615, 9889399, 14453737, 19018075, 32711089, 49446995, 72268685, 163555445, 187898581, 247234975, 361343425, 425244157, 621510691, 817777225, 939492905, 2126220785, 3107553455, 4697464525, 8079638983, 10631103925, 15537767275, 40398194915, 201990974575]

約数ペア:

[(1, 201990974575), (5, 40398194915), (13, 15537767275), (19, 10631103925), (25, 8079638983), (43, 4697464525), (65, 3107553455), (95, 2126220785), (215, 939492905), (247, 817777225), (325, 621510691), (475, 425244157), (559, 361343425), (817, 247234975), (1075, 187898581), (1235, 163555445), (2795, 72268685), (4085, 49446995), (6175, 32711089), (10621, 19018075), (13975, 14453737), (20425, 9889399), (53105, 3803615), (265525, 760723)]