812970025

素因数分解:

$5^2\times 7^3\times {\mathrm{113}}^1\times {\mathrm{839}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 1187424000

約数和(自身を除く): 374453975

約数列:

[1, 5, 7, 25, 35, 49, 113, 175, 245, 343, 565, 791, 839, 1225, 1715, 2825, 3955, 4195, 5537, 5873, 8575, 19775, 20975, 27685, 29365, 38759, 41111, 94807, 138425, 146825, 193795, 205555, 287777, 474035, 663649, 968975, 1027775, 1438885, 2370175, 3318245, 4645543, 7194425, 16591225, 23227715, 32518801, 116138575, 162594005, 812970025]

約数ペア:

[(1, 812970025), (5, 162594005), (7, 116138575), (25, 32518801), (35, 23227715), (49, 16591225), (113, 7194425), (175, 4645543), (245, 3318245), (343, 2370175), (565, 1438885), (791, 1027775), (839, 968975), (1225, 663649), (1715, 474035), (2825, 287777), (3955, 205555), (4195, 193795), (5537, 146825), (5873, 138425), (8575, 94807), (19775, 41111), (20975, 38759), (27685, 29365)]