87018820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 217873152

約数和(自身を除く): 130854332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 107, 140, 148, 157, 185, 214, 259, 314, 370, 428, 518, 535, 628, 740, 749, 785, 1036, 1070, 1099, 1295, 1498, 1570, 2140, 2198, 2590, 2996, 3140, 3745, 3959, 4396, 5180, 5495, 5809, 7490, 7918, 10990, 11618, 14980, 15836, 16799, 19795, 21980, 23236, 27713, 29045, 33598, 39590, 40663, 55426, 58090, 67196, 79180, 81326, 83995, 110852, 116180, 117593, 138565, 162652, 167990, 203315, 235186, 277130, 335980, 406630, 470372, 554260, 587965, 621563, 813260, 1175930, 1243126, 2351860, 2486252, 3107815, 4350941, 6215630, 8701882, 12431260, 17403764, 21754705, 43509410, 87018820]

約数ペア:

[(1, 87018820), (2, 43509410), (4, 21754705), (5, 17403764), (7, 12431260), (10, 8701882), (14, 6215630), (20, 4350941), (28, 3107815), (35, 2486252), (37, 2351860), (70, 1243126), (74, 1175930), (107, 813260), (140, 621563), (148, 587965), (157, 554260), (185, 470372), (214, 406630), (259, 335980), (314, 277130), (370, 235186), (428, 203315), (518, 167990), (535, 162652), (628, 138565), (740, 117593), (749, 116180), (785, 110852), (1036, 83995), (1070, 81326), (1099, 79180), (1295, 67196), (1498, 58090), (1570, 55426), (2140, 40663), (2198, 39590), (2590, 33598), (2996, 29045), (3140, 27713), (3745, 23236), (3959, 21980), (4396, 19795), (5180, 16799), (5495, 15836), (5809, 14980), (7490, 11618), (7918, 10990)]