289810325

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 442590720

約数和(自身を除く): 152780395

約数列:

[1, 5, 7, 19, 25, 35, 43, 95, 133, 175, 215, 301, 475, 665, 817, 1075, 1505, 2027, 3325, 4085, 5719, 7525, 10135, 14189, 20425, 28595, 38513, 50675, 70945, 87161, 142975, 192565, 269591, 354725, 435805, 610127, 962825, 1347955, 1656059, 2179025, 3050635, 6739775, 8280295, 11592413, 15253175, 41401475, 57962065, 289810325]

約数ペア:

[(1, 289810325), (5, 57962065), (7, 41401475), (19, 15253175), (25, 11592413), (35, 8280295), (43, 6739775), (95, 3050635), (133, 2179025), (175, 1656059), (215, 1347955), (301, 962825), (475, 610127), (665, 435805), (817, 354725), (1075, 269591), (1505, 192565), (2027, 142975), (3325, 87161), (4085, 70945), (5719, 50675), (7525, 38513), (10135, 28595), (14189, 20425)]