2145707148575

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1091}}^1\times {\mathrm{19801}}^1$

素因数の和:21068

約数の個数: 48

約数和(自身を含む): 2775196438560

約数和(自身を除く): 629489289985

約数列:

[1, 5, 25, 29, 137, 145, 685, 725, 1091, 3425, 3973, 5455, 19801, 19865, 27275, 31639, 99005, 99325, 149467, 158195, 495025, 574229, 747335, 790975, 2712737, 2871145, 3736675, 4334543, 13563685, 14355725, 21602891, 21672715, 67818425, 78669373, 108014455, 108363575, 393346865, 540072275, 626483839, 1966734325, 2959596067, 3132419195, 14797980335, 15662095975, 73989901675, 85828285943, 429141429715, 2145707148575]

約数ペア:

[(1, 2145707148575), (5, 429141429715), (25, 85828285943), (29, 73989901675), (137, 15662095975), (145, 14797980335), (685, 3132419195), (725, 2959596067), (1091, 1966734325), (3425, 626483839), (3973, 540072275), (5455, 393346865), (19801, 108363575), (19865, 108014455), (27275, 78669373), (31639, 67818425), (99005, 21672715), (99325, 21602891), (149467, 14355725), (158195, 13563685), (495025, 4334543), (574229, 3736675), (747335, 2871145), (790975, 2712737)]