204025325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 311646720

約数和(自身を除く): 107621395

約数列:

[1, 5, 7, 19, 25, 35, 43, 95, 133, 175, 215, 301, 475, 665, 817, 1075, 1427, 1505, 3325, 4085, 5719, 7135, 7525, 9989, 20425, 27113, 28595, 35675, 49945, 61361, 135565, 142975, 189791, 249725, 306805, 429527, 677825, 948955, 1165859, 1534025, 2147635, 4744775, 5829295, 8161013, 10738175, 29146475, 40805065, 204025325]

約数ペア:

[(1, 204025325), (5, 40805065), (7, 29146475), (19, 10738175), (25, 8161013), (35, 5829295), (43, 4744775), (95, 2147635), (133, 1534025), (175, 1165859), (215, 948955), (301, 677825), (475, 429527), (665, 306805), (817, 249725), (1075, 189791), (1427, 142975), (1505, 135565), (3325, 61361), (4085, 49945), (5719, 35675), (7135, 28595), (7525, 27113), (9989, 20425)]