1900666040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{522161}}^1$

素因数の和:522192

約数の個数: 64

約数和(自身を含む): 5263392960

約数和(自身を除く): 3362726920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 522161, 1044322, 2088644, 2610805, 3655127, 4177288, 5221610, 6788093, 7310254, 10443220, 13576186, 14620508, 18275635, 20886440, 27152372, 29241016, 33940465, 36551270, 47516651, 54304744, 67880930, 73102540, 95033302, 135761860, 146205080, 190066604, 237583255, 271523720, 380133208, 475166510, 950333020, 1900666040]

約数ペア:

[(1, 1900666040), (2, 950333020), (4, 475166510), (5, 380133208), (7, 271523720), (8, 237583255), (10, 190066604), (13, 146205080), (14, 135761860), (20, 95033302), (26, 73102540), (28, 67880930), (35, 54304744), (40, 47516651), (52, 36551270), (56, 33940465), (65, 29241016), (70, 27152372), (91, 20886440), (104, 18275635), (130, 14620508), (140, 13576186), (182, 10443220), (260, 7310254), (280, 6788093), (364, 5221610), (455, 4177288), (520, 3655127), (728, 2610805), (910, 2088644), (1820, 1044322), (3640, 522161)]