1252890625

素因数分解:

$5^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 1874995200

約数和(自身を除く): 622104575

約数列:

[1, 5, 7, 25, 29, 35, 79, 125, 145, 175, 203, 395, 553, 625, 725, 875, 1015, 1975, 2291, 2765, 3125, 3625, 4375, 5075, 9875, 11455, 13825, 15625, 16037, 18125, 21875, 25375, 49375, 57275, 69125, 78125, 80185, 90625, 109375, 126875, 246875, 286375, 345625, 400925, 453125, 546875, 634375, 1234375, 1431875, 1728125, 2004625, 2265625, 3171875, 6171875, 7159375, 8640625, 10023125, 15859375, 35796875, 43203125, 50115625, 178984375, 250578125, 1252890625]

約数ペア:

[(1, 1252890625), (5, 250578125), (7, 178984375), (25, 50115625), (29, 43203125), (35, 35796875), (79, 15859375), (125, 10023125), (145, 8640625), (175, 7159375), (203, 6171875), (395, 3171875), (553, 2265625), (625, 2004625), (725, 1728125), (875, 1431875), (1015, 1234375), (1975, 634375), (2291, 546875), (2765, 453125), (3125, 400925), (3625, 345625), (4375, 286375), (5075, 246875), (9875, 126875), (11455, 109375), (13825, 90625), (15625, 80185), (16037, 78125), (18125, 69125), (21875, 57275), (25375, 49375)]