4303975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 6562080

約数和(自身を除く): 2258105

約数列:

[1, 5, 13, 17, 19, 25, 41, 65, 85, 95, 205, 221, 247, 323, 325, 425, 475, 533, 697, 779, 1025, 1105, 1235, 1615, 2665, 3485, 3895, 4199, 5525, 6175, 8075, 9061, 10127, 13243, 13325, 17425, 19475, 20995, 45305, 50635, 66215, 104975, 172159, 226525, 253175, 331075, 860795, 4303975]

約数ペア:

[(1, 4303975), (5, 860795), (13, 331075), (17, 253175), (19, 226525), (25, 172159), (41, 104975), (65, 66215), (85, 50635), (95, 45305), (205, 20995), (221, 19475), (247, 17425), (323, 13325), (325, 13243), (425, 10127), (475, 9061), (533, 8075), (697, 6175), (779, 5525), (1025, 4199), (1105, 3895), (1235, 3485), (1615, 2665)]