2089200505

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 2976220800

約数和(自身を除く): 887020295

約数列:

[1, 5, 7, 35, 49, 73, 199, 245, 365, 511, 587, 995, 1393, 2555, 2935, 3577, 4109, 6965, 9751, 14527, 17885, 20545, 28763, 42851, 48755, 72635, 101689, 116813, 143815, 214255, 299957, 508445, 584065, 711823, 817691, 1499785, 2099699, 3559115, 4088455, 5723837, 8527349, 10498495, 28619185, 42636745, 59691443, 298457215, 417840101, 2089200505]

約数ペア:

[(1, 2089200505), (5, 417840101), (7, 298457215), (35, 59691443), (49, 42636745), (73, 28619185), (199, 10498495), (245, 8527349), (365, 5723837), (511, 4088455), (587, 3559115), (995, 2099699), (1393, 1499785), (2555, 817691), (2935, 711823), (3577, 584065), (4109, 508445), (6965, 299957), (9751, 214255), (14527, 143815), (17885, 116813), (20545, 101689), (28763, 72635), (42851, 48755)]